Home / 8,157,472.90-11,256,430.12-4,719,071.50

Finding the Fourth Proportional to 8,157,472.90, 11,256,430.12 and 4,719,071.50

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Solution

The fourth proportional to 8,157,472.90, 11,256,430.12 and 4,719,071.50 is: 6,511,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,472.90 : 11,256,430.12 = 4,719,071.50 : x
  2. Step 2: Convert to fraction form
    8,157,472.90/11,256,430.12 = 4,719,071.50/x
  3. Step 3: Cross multiply
    8,157,472.90x = 11,256,430.12 × 4,719,071.50
  4. Step 4: Simplify right side
    8,157,472.90x = 53,119,898,571,033.58
  5. Step 5: Solve for x
    x = 53,119,898,571,033.58/8,157,472.90
  6. Step 6: Final answer
    x = 6,511,808.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.