Home / 10,464,569.80-15,696,854.70-9,876,704.20

Finding the Fourth Proportional to 10,464,569.80, 15,696,854.70 and 9,876,704.20

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Solution

The fourth proportional to 10,464,569.80, 15,696,854.70 and 9,876,704.20 is: 14,815,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464,569.80 : 15,696,854.70 = 9,876,704.20 : x
  2. Step 2: Convert to fraction form
    10,464,569.80/15,696,854.70 = 9,876,704.20/x
  3. Step 3: Cross multiply
    10,464,569.80x = 15,696,854.70 × 9,876,704.20
  4. Step 4: Simplify right side
    10,464,569.80x = 155,033,190,742,279.72
  5. Step 5: Solve for x
    x = 155,033,190,742,279.72/10,464,569.80
  6. Step 6: Final answer
    x = 14,815,056.30

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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.