Home / 12,459,862.80-18,669,673.80-7,052,432.40

Finding the Fourth Proportional to 12,459,862.80, 18,669,673.80 and 7,052,432.40

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Solution

The fourth proportional to 12,459,862.80, 18,669,673.80 and 7,052,432.40 is: 10,567,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,862.80 : 18,669,673.80 = 7,052,432.40 : x
  2. Step 2: Convert to fraction form
    12,459,862.80/18,669,673.80 = 7,052,432.40/x
  3. Step 3: Cross multiply
    12,459,862.80x = 18,669,673.80 × 7,052,432.40
  4. Step 4: Simplify right side
    12,459,862.80x = 131,666,612,404,551.12
  5. Step 5: Solve for x
    x = 131,666,612,404,551.12/12,459,862.80
  6. Step 6: Final answer
    x = 10,567,260.21

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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.