Home / 10,456,339.90-15,690,082.65-4,066,800.70

Finding the Fourth Proportional to 10,456,339.90, 15,690,082.65 and 4,066,800.70

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Solution

The fourth proportional to 10,456,339.90, 15,690,082.65 and 4,066,800.70 is: 6,102,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,339.90 : 15,690,082.65 = 4,066,800.70 : x
  2. Step 2: Convert to fraction form
    10,456,339.90/15,690,082.65 = 4,066,800.70/x
  3. Step 3: Cross multiply
    10,456,339.90x = 15,690,082.65 × 4,066,800.70
  4. Step 4: Simplify right side
    10,456,339.90x = 63,808,439,104,077.86
  5. Step 5: Solve for x
    x = 63,808,439,104,077.86/10,456,339.90
  6. Step 6: Final answer
    x = 6,102,368.49

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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.