Home / 8,316,057.86-12,456,686.74-6,688,026.30

Finding the Fourth Proportional to 8,316,057.86, 12,456,686.74 and 6,688,026.30

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Solution

The fourth proportional to 8,316,057.86, 12,456,686.74 and 6,688,026.30 is: 10,018,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,057.86 : 12,456,686.74 = 6,688,026.30 : x
  2. Step 2: Convert to fraction form
    8,316,057.86/12,456,686.74 = 6,688,026.30/x
  3. Step 3: Cross multiply
    8,316,057.86x = 12,456,686.74 × 6,688,026.30
  4. Step 4: Simplify right side
    8,316,057.86x = 83,310,648,527,981.27
  5. Step 5: Solve for x
    x = 83,310,648,527,981.27/8,316,057.86
  6. Step 6: Final answer
    x = 10,018,045.80

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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.