Home / 10,515,293.60-15,772,940.40-6,925,114.40

Finding the Fourth Proportional to 10,515,293.60, 15,772,940.40 and 6,925,114.40

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Solution

The fourth proportional to 10,515,293.60, 15,772,940.40 and 6,925,114.40 is: 10,387,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,293.60 : 15,772,940.40 = 6,925,114.40 : x
  2. Step 2: Convert to fraction form
    10,515,293.60/15,772,940.40 = 6,925,114.40/x
  3. Step 3: Cross multiply
    10,515,293.60x = 15,772,940.40 × 6,925,114.40
  4. Step 4: Simplify right side
    10,515,293.60x = 109,229,416,694,381.77
  5. Step 5: Solve for x
    x = 109,229,416,694,381.77/10,515,293.60
  6. Step 6: Final answer
    x = 10,387,671.60

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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.