Home / 10,368,847.55-15,553,271.33-9,780,981.95

Finding the Fourth Proportional to 10,368,847.55, 15,553,271.33 and 9,780,981.95

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Solution

The fourth proportional to 10,368,847.55, 15,553,271.33 and 9,780,981.95 is: 14,671,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,847.55 : 15,553,271.33 = 9,780,981.95 : x
  2. Step 2: Convert to fraction form
    10,368,847.55/15,553,271.33 = 9,780,981.95/x
  3. Step 3: Cross multiply
    10,368,847.55x = 15,553,271.33 × 9,780,981.95
  4. Step 4: Simplify right side
    10,368,847.55x = 152,126,266,142,182.47
  5. Step 5: Solve for x
    x = 152,126,266,142,182.47/10,368,847.55
  6. Step 6: Final answer
    x = 14,671,472.93

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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.