Home / 7,160,534.46-9,881,578.65-3,897,341.40

Finding the Fourth Proportional to 7,160,534.46, 9,881,578.65 and 3,897,341.40

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Solution

The fourth proportional to 7,160,534.46, 9,881,578.65 and 3,897,341.40 is: 5,378,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,534.46 : 9,881,578.65 = 3,897,341.40 : x
  2. Step 2: Convert to fraction form
    7,160,534.46/9,881,578.65 = 3,897,341.40/x
  3. Step 3: Cross multiply
    7,160,534.46x = 9,881,578.65 × 3,897,341.40
  4. Step 4: Simplify right side
    7,160,534.46x = 38,511,885,570,001.11
  5. Step 5: Solve for x
    x = 38,511,885,570,001.11/7,160,534.46
  6. Step 6: Final answer
    x = 5,378,353.50

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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.