Home / 10,020,917.40-15,031,376.10-8,586,026.70

Finding the Fourth Proportional to 10,020,917.40, 15,031,376.10 and 8,586,026.70

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Solution

The fourth proportional to 10,020,917.40, 15,031,376.10 and 8,586,026.70 is: 12,879,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,917.40 : 15,031,376.10 = 8,586,026.70 : x
  2. Step 2: Convert to fraction form
    10,020,917.40/15,031,376.10 = 8,586,026.70/x
  3. Step 3: Cross multiply
    10,020,917.40x = 15,031,376.10 × 8,586,026.70
  4. Step 4: Simplify right side
    10,020,917.40x = 129,059,796,532,341.86
  5. Step 5: Solve for x
    x = 129,059,796,532,341.86/10,020,917.40
  6. Step 6: Final answer
    x = 12,879,040.05

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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.