Home / 8,968,018.32-12,370,341.78-6,390,531.92

Finding the Fourth Proportional to 8,968,018.32, 12,370,341.78 and 6,390,531.92

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Solution

The fourth proportional to 8,968,018.32, 12,370,341.78 and 6,390,531.92 is: 8,814,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,018.32 : 12,370,341.78 = 6,390,531.92 : x
  2. Step 2: Convert to fraction form
    8,968,018.32/12,370,341.78 = 6,390,531.92/x
  3. Step 3: Cross multiply
    8,968,018.32x = 12,370,341.78 × 6,390,531.92
  4. Step 4: Simplify right side
    8,968,018.32x = 79,053,064,006,399.61
  5. Step 5: Solve for x
    x = 79,053,064,006,399.61/8,968,018.32
  6. Step 6: Final answer
    x = 8,814,998.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.