Home / 15,234,815.10-21,023,341.35-8,359,126.14

Finding the Fourth Proportional to 15,234,815.10, 21,023,341.35 and 8,359,126.14

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Solution

The fourth proportional to 15,234,815.10, 21,023,341.35 and 8,359,126.14 is: 11,535,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,815.10 : 21,023,341.35 = 8,359,126.14 : x
  2. Step 2: Convert to fraction form
    15,234,815.10/21,023,341.35 = 8,359,126.14/x
  3. Step 3: Cross multiply
    15,234,815.10x = 21,023,341.35 × 8,359,126.14
  4. Step 4: Simplify right side
    15,234,815.10x = 175,736,762,228,927.91
  5. Step 5: Solve for x
    x = 175,736,762,228,927.91/15,234,815.10
  6. Step 6: Final answer
    x = 11,535,208.08

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1.5x scale

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.