Home / 28,296,001.70-42,444,002.55-12,119,200.10

Finding the Fourth Proportional to 28,296,001.70, 42,444,002.55 and 12,119,200.10

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Solution

The fourth proportional to 28,296,001.70, 42,444,002.55 and 12,119,200.10 is: 18,178,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,001.70 : 42,444,002.55 = 12,119,200.10 : x
  2. Step 2: Convert to fraction form
    28,296,001.70/42,444,002.55 = 12,119,200.10/x
  3. Step 3: Cross multiply
    28,296,001.70x = 42,444,002.55 × 12,119,200.10
  4. Step 4: Simplify right side
    28,296,001.70x = 514,387,359,948,360.19
  5. Step 5: Solve for x
    x = 514,387,359,948,360.19/28,296,001.70
  6. Step 6: Final answer
    x = 18,178,800.15

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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.