Home / 10,643,742.29-15,975,707.16-6,587,961.71

Finding the Fourth Proportional to 10,643,742.29, 15,975,707.16 and 6,587,961.71

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Solution

The fourth proportional to 10,643,742.29, 15,975,707.16 and 6,587,961.71 is: 9,888,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,742.29 : 15,975,707.16 = 6,587,961.71 : x
  2. Step 2: Convert to fraction form
    10,643,742.29/15,975,707.16 = 6,587,961.71/x
  3. Step 3: Cross multiply
    10,643,742.29x = 15,975,707.16 × 6,587,961.71
  4. Step 4: Simplify right side
    10,643,742.29x = 105,247,347,060,252.84
  5. Step 5: Solve for x
    x = 105,247,347,060,252.84/10,643,742.29
  6. Step 6: Final answer
    x = 9,888,190.09

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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.