Home / 10,166,285.90-14,029,635.48-5,520,068.40

Finding the Fourth Proportional to 10,166,285.90, 14,029,635.48 and 5,520,068.40

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Solution

The fourth proportional to 10,166,285.90, 14,029,635.48 and 5,520,068.40 is: 7,617,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166,285.90 : 14,029,635.48 = 5,520,068.40 : x
  2. Step 2: Convert to fraction form
    10,166,285.90/14,029,635.48 = 5,520,068.40/x
  3. Step 3: Cross multiply
    10,166,285.90x = 14,029,635.48 × 5,520,068.40
  4. Step 4: Simplify right side
    10,166,285.90x = 77,444,547,476,666.84
  5. Step 5: Solve for x
    x = 77,444,547,476,666.84/10,166,285.90
  6. Step 6: Final answer
    x = 7,617,781.78

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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.