Home / 9,396,875.40-14,105,810.70-8,780,141.40

Finding the Fourth Proportional to 9,396,875.40, 14,105,810.70 and 8,780,141.40

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Solution

The fourth proportional to 9,396,875.40, 14,105,810.70 and 8,780,141.40 is: 13,180,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396,875.40 : 14,105,810.70 = 8,780,141.40 : x
  2. Step 2: Convert to fraction form
    9,396,875.40/14,105,810.70 = 8,780,141.40/x
  3. Step 3: Cross multiply
    9,396,875.40x = 14,105,810.70 × 8,780,141.40
  4. Step 4: Simplify right side
    9,396,875.40x = 123,851,012,507,632.98
  5. Step 5: Solve for x
    x = 123,851,012,507,632.98/9,396,875.40
  6. Step 6: Final answer
    x = 13,180,020.72

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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.