Home / 20,711,090.61-31,074,211.39-9,637,443.31

Finding the Fourth Proportional to 20,711,090.61, 31,074,211.39 and 9,637,443.31

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Solution

The fourth proportional to 20,711,090.61, 31,074,211.39 and 9,637,443.31 is: 14,459,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,090.61 : 31,074,211.39 = 9,637,443.31 : x
  2. Step 2: Convert to fraction form
    20,711,090.61/31,074,211.39 = 9,637,443.31/x
  3. Step 3: Cross multiply
    20,711,090.61x = 31,074,211.39 × 9,637,443.31
  4. Step 4: Simplify right side
    20,711,090.61x = 299,475,950,674,081.31
  5. Step 5: Solve for x
    x = 299,475,950,674,081.31/20,711,090.61
  6. Step 6: Final answer
    x = 14,459,690.04

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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.