Home / 10,389,919.60-15,553,386.60-7,849,500.40

Finding the Fourth Proportional to 10,389,919.60, 15,553,386.60 and 7,849,500.40

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Solution

The fourth proportional to 10,389,919.60, 15,553,386.60 and 7,849,500.40 is: 11,750,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,919.60 : 15,553,386.60 = 7,849,500.40 : x
  2. Step 2: Convert to fraction form
    10,389,919.60/15,553,386.60 = 7,849,500.40/x
  3. Step 3: Cross multiply
    10,389,919.60x = 15,553,386.60 × 7,849,500.40
  4. Step 4: Simplify right side
    10,389,919.60x = 122,086,314,338,054.64
  5. Step 5: Solve for x
    x = 122,086,314,338,054.64/10,389,919.60
  6. Step 6: Final answer
    x = 11,750,458.04

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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.