Home / 10,865,904.54-14,991,678.24-6,513,402.76

Finding the Fourth Proportional to 10,865,904.54, 14,991,678.24 and 6,513,402.76

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Solution

The fourth proportional to 10,865,904.54, 14,991,678.24 and 6,513,402.76 is: 8,986,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,904.54 : 14,991,678.24 = 6,513,402.76 : x
  2. Step 2: Convert to fraction form
    10,865,904.54/14,991,678.24 = 6,513,402.76/x
  3. Step 3: Cross multiply
    10,865,904.54x = 14,991,678.24 × 6,513,402.76
  4. Step 4: Simplify right side
    10,865,904.54x = 97,646,838,425,447.94
  5. Step 5: Solve for x
    x = 97,646,838,425,447.94/10,865,904.54
  6. Step 6: Final answer
    x = 8,986,535.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.