Home / 15,549,289.79-21,465,788.49-9,670,818.74

Finding the Fourth Proportional to 15,549,289.79, 21,465,788.49 and 9,670,818.74

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Solution

The fourth proportional to 15,549,289.79, 21,465,788.49 and 9,670,818.74 is: 13,350,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549,289.79 : 21,465,788.49 = 9,670,818.74 : x
  2. Step 2: Convert to fraction form
    15,549,289.79/21,465,788.49 = 9,670,818.74/x
  3. Step 3: Cross multiply
    15,549,289.79x = 21,465,788.49 × 9,670,818.74
  4. Step 4: Simplify right side
    15,549,289.79x = 207,591,749,490,639.34
  5. Step 5: Solve for x
    x = 207,591,749,490,639.34/15,549,289.79
  6. Step 6: Final answer
    x = 13,350,561.50

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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.