Home / 10,935,021.60-16,402,532.40-7,895,966.40

Finding the Fourth Proportional to 10,935,021.60, 16,402,532.40 and 7,895,966.40

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Solution

The fourth proportional to 10,935,021.60, 16,402,532.40 and 7,895,966.40 is: 11,843,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,021.60 : 16,402,532.40 = 7,895,966.40 : x
  2. Step 2: Convert to fraction form
    10,935,021.60/16,402,532.40 = 7,895,966.40/x
  3. Step 3: Cross multiply
    10,935,021.60x = 16,402,532.40 × 7,895,966.40
  4. Step 4: Simplify right side
    10,935,021.60x = 129,513,844,705,311.38
  5. Step 5: Solve for x
    x = 129,513,844,705,311.38/10,935,021.60
  6. Step 6: Final answer
    x = 11,843,949.60

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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.