Home / 14,344,752.90-19,795,774.20-7,818,387.68

Finding the Fourth Proportional to 14,344,752.90, 19,795,774.20 and 7,818,387.68

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Solution

The fourth proportional to 14,344,752.90, 19,795,774.20 and 7,818,387.68 is: 10,789,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344,752.90 : 19,795,774.20 = 7,818,387.68 : x
  2. Step 2: Convert to fraction form
    14,344,752.90/19,795,774.20 = 7,818,387.68/x
  3. Step 3: Cross multiply
    14,344,752.90x = 19,795,774.20 × 7,818,387.68
  4. Step 4: Simplify right side
    14,344,752.90x = 154,771,037,121,341.84
  5. Step 5: Solve for x
    x = 154,771,037,121,341.84/14,344,752.90
  6. Step 6: Final answer
    x = 10,789,383.28

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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.