Home / 19,764,111.80-29,646,167.70-6,985,908.20

Finding the Fourth Proportional to 19,764,111.80, 29,646,167.70 and 6,985,908.20

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Solution

The fourth proportional to 19,764,111.80, 29,646,167.70 and 6,985,908.20 is: 10,478,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,111.80 : 29,646,167.70 = 6,985,908.20 : x
  2. Step 2: Convert to fraction form
    19,764,111.80/29,646,167.70 = 6,985,908.20/x
  3. Step 3: Cross multiply
    19,764,111.80x = 29,646,167.70 × 6,985,908.20
  4. Step 4: Simplify right side
    19,764,111.80x = 207,105,406,034,005.12
  5. Step 5: Solve for x
    x = 207,105,406,034,005.12/19,764,111.80
  6. Step 6: Final answer
    x = 10,478,862.30

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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.