Home / 10,400,924.40-15,601,386.60-7,881,500.40

Finding the Fourth Proportional to 10,400,924.40, 15,601,386.60 and 7,881,500.40

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Solution

The fourth proportional to 10,400,924.40, 15,601,386.60 and 7,881,500.40 is: 11,822,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,924.40 : 15,601,386.60 = 7,881,500.40 : x
  2. Step 2: Convert to fraction form
    10,400,924.40/15,601,386.60 = 7,881,500.40/x
  3. Step 3: Cross multiply
    10,400,924.40x = 15,601,386.60 × 7,881,500.40
  4. Step 4: Simplify right side
    10,400,924.40x = 122,962,334,728,454.64
  5. Step 5: Solve for x
    x = 122,962,334,728,454.64/10,400,924.40
  6. Step 6: Final answer
    x = 11,822,250.60

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1.5x scale

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.