Home / 14,389,342.80-19,857,345.95-7,862,973.24

Finding the Fourth Proportional to 14,389,342.80, 19,857,345.95 and 7,862,973.24

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Solution

The fourth proportional to 14,389,342.80, 19,857,345.95 and 7,862,973.24 is: 10,850,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,342.80 : 19,857,345.95 = 7,862,973.24 : x
  2. Step 2: Convert to fraction form
    14,389,342.80/19,857,345.95 = 7,862,973.24/x
  3. Step 3: Cross multiply
    14,389,342.80x = 19,857,345.95 × 7,862,973.24
  4. Step 4: Simplify right side
    14,389,342.80x = 156,137,779,822,272.38
  5. Step 5: Solve for x
    x = 156,137,779,822,272.38/14,389,342.80
  6. Step 6: Final answer
    x = 10,850,931.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.