Home / 13,087,430.79-19,604,574.10-6,606,507.79

Finding the Fourth Proportional to 13,087,430.79, 19,604,574.10 and 6,606,507.79

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Solution

The fourth proportional to 13,087,430.79, 19,604,574.10 and 6,606,507.79 is: 9,896,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,430.79 : 19,604,574.10 = 6,606,507.79 : x
  2. Step 2: Convert to fraction form
    13,087,430.79/19,604,574.10 = 6,606,507.79/x
  3. Step 3: Cross multiply
    13,087,430.79x = 19,604,574.10 × 6,606,507.79
  4. Step 4: Simplify right side
    13,087,430.79x = 129,517,771,511,282.25
  5. Step 5: Solve for x
    x = 129,517,771,511,282.25/13,087,430.79
  6. Step 6: Final answer
    x = 9,896,348.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.