Home / 26,885,875.20-40,328,812.80-8,934,979.20

Finding the Fourth Proportional to 26,885,875.20, 40,328,812.80 and 8,934,979.20

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Solution

The fourth proportional to 26,885,875.20, 40,328,812.80 and 8,934,979.20 is: 13,402,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885,875.20 : 40,328,812.80 = 8,934,979.20 : x
  2. Step 2: Convert to fraction form
    26,885,875.20/40,328,812.80 = 8,934,979.20/x
  3. Step 3: Cross multiply
    26,885,875.20x = 40,328,812.80 × 8,934,979.20
  4. Step 4: Simplify right side
    26,885,875.20x = 360,337,103,528,693.69
  5. Step 5: Solve for x
    x = 360,337,103,528,693.69/26,885,875.20
  6. Step 6: Final answer
    x = 13,402,468.80

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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.