Home / 19,579,713.40-29,369,570.10-12,367,862.20

Finding the Fourth Proportional to 19,579,713.40, 29,369,570.10 and 12,367,862.20

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Solution

The fourth proportional to 19,579,713.40, 29,369,570.10 and 12,367,862.20 is: 18,551,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,713.40 : 29,369,570.10 = 12,367,862.20 : x
  2. Step 2: Convert to fraction form
    19,579,713.40/29,369,570.10 = 12,367,862.20/x
  3. Step 3: Cross multiply
    19,579,713.40x = 29,369,570.10 × 12,367,862.20
  4. Step 4: Simplify right side
    19,579,713.40x = 363,238,795,870,040.19
  5. Step 5: Solve for x
    x = 363,238,795,870,040.19/19,579,713.40
  6. Step 6: Final answer
    x = 18,551,793.30

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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.