Home / 9,966,287.10-14,949,430.65-9,871,808.70

Finding the Fourth Proportional to 9,966,287.10, 14,949,430.65 and 9,871,808.70

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Solution

The fourth proportional to 9,966,287.10, 14,949,430.65 and 9,871,808.70 is: 14,807,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,287.10 : 14,949,430.65 = 9,871,808.70 : x
  2. Step 2: Convert to fraction form
    9,966,287.10/14,949,430.65 = 9,871,808.70/x
  3. Step 3: Cross multiply
    9,966,287.10x = 14,949,430.65 × 9,871,808.70
  4. Step 4: Simplify right side
    9,966,287.10x = 147,577,919,550,716.66
  5. Step 5: Solve for x
    x = 147,577,919,550,716.66/9,966,287.10
  6. Step 6: Final answer
    x = 14,807,713.05

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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.