Home / 10,368,852.55-15,553,278.83-9,780,986.95

Finding the Fourth Proportional to 10,368,852.55, 15,553,278.83 and 9,780,986.95

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Solution

The fourth proportional to 10,368,852.55, 15,553,278.83 and 9,780,986.95 is: 14,671,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,852.55 : 15,553,278.83 = 9,780,986.95 : x
  2. Step 2: Convert to fraction form
    10,368,852.55/15,553,278.83 = 9,780,986.95/x
  3. Step 3: Cross multiply
    10,368,852.55x = 15,553,278.83 × 9,780,986.95
  4. Step 4: Simplify right side
    10,368,852.55x = 152,126,417,265,941.25
  5. Step 5: Solve for x
    x = 152,126,417,265,941.25/10,368,852.55
  6. Step 6: Final answer
    x = 14,671,480.43

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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.