Home / 9,680,088.71-13,358,312.20-5,329,008.47

Finding the Fourth Proportional to 9,680,088.71, 13,358,312.20 and 5,329,008.47

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Solution

The fourth proportional to 9,680,088.71, 13,358,312.20 and 5,329,008.47 is: 7,353,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,088.71 : 13,358,312.20 = 5,329,008.47 : x
  2. Step 2: Convert to fraction form
    9,680,088.71/13,358,312.20 = 5,329,008.47/x
  3. Step 3: Cross multiply
    9,680,088.71x = 13,358,312.20 × 5,329,008.47
  4. Step 4: Simplify right side
    9,680,088.71x = 71,186,558,898,761.38
  5. Step 5: Solve for x
    x = 71,186,558,898,761.38/9,680,088.71
  6. Step 6: Final answer
    x = 7,353,915.96

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1.5x scale

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.