Home / 10,513,348.80-15,763,802.40-5,474,500.80

Finding the Fourth Proportional to 10,513,348.80, 15,763,802.40 and 5,474,500.80

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Solution

The fourth proportional to 10,513,348.80, 15,763,802.40 and 5,474,500.80 is: 8,208,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,348.80 : 15,763,802.40 = 5,474,500.80 : x
  2. Step 2: Convert to fraction form
    10,513,348.80/15,763,802.40 = 5,474,500.80/x
  3. Step 3: Cross multiply
    10,513,348.80x = 15,763,802.40 × 5,474,500.80
  4. Step 4: Simplify right side
    10,513,348.80x = 86,298,948,849,841.92
  5. Step 5: Solve for x
    x = 86,298,948,849,841.92/10,513,348.80
  6. Step 6: Final answer
    x = 8,208,511.91

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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.