Home / 19,656,003.90-29,484,005.85-12,499,265.10

Finding the Fourth Proportional to 19,656,003.90, 29,484,005.85 and 12,499,265.10

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Solution

The fourth proportional to 19,656,003.90, 29,484,005.85 and 12,499,265.10 is: 18,748,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656,003.90 : 29,484,005.85 = 12,499,265.10 : x
  2. Step 2: Convert to fraction form
    19,656,003.90/29,484,005.85 = 12,499,265.10/x
  3. Step 3: Cross multiply
    19,656,003.90x = 29,484,005.85 × 12,499,265.10
  4. Step 4: Simplify right side
    19,656,003.90x = 368,528,405,329,100.81
  5. Step 5: Solve for x
    x = 368,528,405,329,100.81/19,656,003.90
  6. Step 6: Final answer
    x = 18,748,897.65

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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.