Home / 8,628,444.60-12,942,666.90-8,516,470.20

Finding the Fourth Proportional to 8,628,444.60, 12,942,666.90 and 8,516,470.20

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Solution

The fourth proportional to 8,628,444.60, 12,942,666.90 and 8,516,470.20 is: 12,774,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,444.60 : 12,942,666.90 = 8,516,470.20 : x
  2. Step 2: Convert to fraction form
    8,628,444.60/12,942,666.90 = 8,516,470.20/x
  3. Step 3: Cross multiply
    8,628,444.60x = 12,942,666.90 × 8,516,470.20
  4. Step 4: Simplify right side
    8,628,444.60x = 110,225,836,962,376.38
  5. Step 5: Solve for x
    x = 110,225,836,962,376.38/8,628,444.60
  6. Step 6: Final answer
    x = 12,774,705.30

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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.