Home / 12,126,030.40-18,162,473.55-10,779,713.20

Finding the Fourth Proportional to 12,126,030.40, 18,162,473.55 and 10,779,713.20

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Solution

The fourth proportional to 12,126,030.40, 18,162,473.55 and 10,779,713.20 is: 16,145,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,030.40 : 18,162,473.55 = 10,779,713.20 : x
  2. Step 2: Convert to fraction form
    12,126,030.40/18,162,473.55 = 10,779,713.20/x
  3. Step 3: Cross multiply
    12,126,030.40x = 18,162,473.55 × 10,779,713.20
  4. Step 4: Simplify right side
    12,126,030.40x = 195,786,255,871,585.84
  5. Step 5: Solve for x
    x = 195,786,255,871,585.84/12,126,030.40
  6. Step 6: Final answer
    x = 16,145,947.97

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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.