Home / 15,734,337.72-21,714,386.22-9,539,977.20

Finding the Fourth Proportional to 15,734,337.72, 21,714,386.22 and 9,539,977.20

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Solution

The fourth proportional to 15,734,337.72, 21,714,386.22 and 9,539,977.20 is: 13,165,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734,337.72 : 21,714,386.22 = 9,539,977.20 : x
  2. Step 2: Convert to fraction form
    15,734,337.72/21,714,386.22 = 9,539,977.20/x
  3. Step 3: Cross multiply
    15,734,337.72x = 21,714,386.22 × 9,539,977.20
  4. Step 4: Simplify right side
    15,734,337.72x = 207,154,749,450,794.16
  5. Step 5: Solve for x
    x = 207,154,749,450,794.16/15,734,337.72
  6. Step 6: Final answer
    x = 13,165,774.95

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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.