Home / 9,376,945.20-14,065,417.80-8,999,031.60

Finding the Fourth Proportional to 9,376,945.20, 14,065,417.80 and 8,999,031.60

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Solution

The fourth proportional to 9,376,945.20, 14,065,417.80 and 8,999,031.60 is: 13,498,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376,945.20 : 14,065,417.80 = 8,999,031.60 : x
  2. Step 2: Convert to fraction form
    9,376,945.20/14,065,417.80 = 8,999,031.60/x
  3. Step 3: Cross multiply
    9,376,945.20x = 14,065,417.80 × 8,999,031.60
  4. Step 4: Simplify right side
    9,376,945.20x = 126,575,139,249,402.48
  5. Step 5: Solve for x
    x = 126,575,139,249,402.48/9,376,945.20
  6. Step 6: Final answer
    x = 13,498,547.40

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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.