Home / 9,877,631.30-13,631,496.16-5,407,499.75

Finding the Fourth Proportional to 9,877,631.30, 13,631,496.16 and 5,407,499.75

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Solution

The fourth proportional to 9,877,631.30, 13,631,496.16 and 5,407,499.75 is: 7,462,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877,631.30 : 13,631,496.16 = 5,407,499.75 : x
  2. Step 2: Convert to fraction form
    9,877,631.30/13,631,496.16 = 5,407,499.75/x
  3. Step 3: Cross multiply
    9,877,631.30x = 13,631,496.16 × 5,407,499.75
  4. Step 4: Simplify right side
    9,877,631.30x = 73,712,312,136,010.44
  5. Step 5: Solve for x
    x = 73,712,312,136,010.44/9,877,631.30
  6. Step 6: Final answer
    x = 7,462,549.46

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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.