Home / 19,766,807.40-29,666,799.90-9,678,052.20

Finding the Fourth Proportional to 19,766,807.40, 29,666,799.90 and 9,678,052.20

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Solution

The fourth proportional to 19,766,807.40, 29,666,799.90 and 9,678,052.20 is: 14,525,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766,807.40 : 29,666,799.90 = 9,678,052.20 : x
  2. Step 2: Convert to fraction form
    19,766,807.40/29,666,799.90 = 9,678,052.20/x
  3. Step 3: Cross multiply
    19,766,807.40x = 29,666,799.90 × 9,678,052.20
  4. Step 4: Simplify right side
    19,766,807.40x = 287,116,838,039,154.75
  5. Step 5: Solve for x
    x = 287,116,838,039,154.75/19,766,807.40
  6. Step 6: Final answer
    x = 14,525,200.36

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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.