Home / 10,077,415.20-15,116,122.80-7,243,063.20

Finding the Fourth Proportional to 10,077,415.20, 15,116,122.80 and 7,243,063.20

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Solution

The fourth proportional to 10,077,415.20, 15,116,122.80 and 7,243,063.20 is: 10,864,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,415.20 : 15,116,122.80 = 7,243,063.20 : x
  2. Step 2: Convert to fraction form
    10,077,415.20/15,116,122.80 = 7,243,063.20/x
  3. Step 3: Cross multiply
    10,077,415.20x = 15,116,122.80 × 7,243,063.20
  4. Step 4: Simplify right side
    10,077,415.20x = 109,487,032,779,360.97
  5. Step 5: Solve for x
    x = 109,487,032,779,360.97/10,077,415.20
  6. Step 6: Final answer
    x = 10,864,594.80

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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.