Home / 12,605,720.10-18,908,580.15-9,417,074.10

Finding the Fourth Proportional to 12,605,720.10, 18,908,580.15 and 9,417,074.10

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Solution

The fourth proportional to 12,605,720.10, 18,908,580.15 and 9,417,074.10 is: 14,125,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,720.10 : 18,908,580.15 = 9,417,074.10 : x
  2. Step 2: Convert to fraction form
    12,605,720.10/18,908,580.15 = 9,417,074.10/x
  3. Step 3: Cross multiply
    12,605,720.10x = 18,908,580.15 × 9,417,074.10
  4. Step 4: Simplify right side
    12,605,720.10x = 178,063,500,398,339.09
  5. Step 5: Solve for x
    x = 178,063,500,398,339.09/12,605,720.10
  6. Step 6: Final answer
    x = 14,125,611.15

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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.