Home / 5,415,031.80-8,122,547.70-4,827,166.20

Finding the Fourth Proportional to 5,415,031.80, 8,122,547.70 and 4,827,166.20

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Solution

The fourth proportional to 5,415,031.80, 8,122,547.70 and 4,827,166.20 is: 7,240,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,031.80 : 8,122,547.70 = 4,827,166.20 : x
  2. Step 2: Convert to fraction form
    5,415,031.80/8,122,547.70 = 4,827,166.20/x
  3. Step 3: Cross multiply
    5,415,031.80x = 8,122,547.70 × 4,827,166.20
  4. Step 4: Simplify right side
    5,415,031.80x = 39,208,887,715,327.74
  5. Step 5: Solve for x
    x = 39,208,887,715,327.74/5,415,031.80
  6. Step 6: Final answer
    x = 7,240,749.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.