Home / 9,881,979.60-14,822,969.40-9,787,501.20

Finding the Fourth Proportional to 9,881,979.60, 14,822,969.40 and 9,787,501.20

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Solution

The fourth proportional to 9,881,979.60, 14,822,969.40 and 9,787,501.20 is: 14,681,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,979.60 : 14,822,969.40 = 9,787,501.20 : x
  2. Step 2: Convert to fraction form
    9,881,979.60/14,822,969.40 = 9,787,501.20/x
  3. Step 3: Cross multiply
    9,881,979.60x = 14,822,969.40 × 9,787,501.20
  4. Step 4: Simplify right side
    9,881,979.60x = 145,079,830,790,063.28
  5. Step 5: Solve for x
    x = 145,079,830,790,063.28/9,881,979.60
  6. Step 6: Final answer
    x = 14,681,251.80

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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.