Home / 12,884,854.50-17,780,646.15-7,083,594

Finding the Fourth Proportional to 12,884,854.50, 17,780,646.15 and 7,083,594

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Solution

The fourth proportional to 12,884,854.50, 17,780,646.15 and 7,083,594 is: 9,775,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,854.50 : 17,780,646.15 = 7,083,594 : x
  2. Step 2: Convert to fraction form
    12,884,854.50/17,780,646.15 = 7,083,594/x
  3. Step 3: Cross multiply
    12,884,854.50x = 17,780,646.15 × 7,083,594
  4. Step 4: Simplify right side
    12,884,854.50x = 125,950,878,384,263.09
  5. Step 5: Solve for x
    x = 125,950,878,384,263.09/12,884,854.50
  6. Step 6: Final answer
    x = 9,775,110.65

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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.