Home / 8,671,896-13,068,792.18-7,808,387.40

Finding the Fourth Proportional to 8,671,896, 13,068,792.18 and 7,808,387.40

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Solution

The fourth proportional to 8,671,896, 13,068,792.18 and 7,808,387.40 is: 11,767,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,896 : 13,068,792.18 = 7,808,387.40 : x
  2. Step 2: Convert to fraction form
    8,671,896/13,068,792.18 = 7,808,387.40/x
  3. Step 3: Cross multiply
    8,671,896x = 13,068,792.18 × 7,808,387.40
  4. Step 4: Simplify right side
    8,671,896x = 102,046,192,191,530.53
  5. Step 5: Solve for x
    x = 102,046,192,191,530.53/8,671,896
  6. Step 6: Final answer
    x = 11,767,460.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.