Home / 14,396,430.40-21,578,056.80-5,871,169.60

Finding the Fourth Proportional to 14,396,430.40, 21,578,056.80 and 5,871,169.60

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Solution

The fourth proportional to 14,396,430.40, 21,578,056.80 and 5,871,169.60 is: 8,799,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396,430.40 : 21,578,056.80 = 5,871,169.60 : x
  2. Step 2: Convert to fraction form
    14,396,430.40/21,578,056.80 = 5,871,169.60/x
  3. Step 3: Cross multiply
    14,396,430.40x = 21,578,056.80 × 5,871,169.60
  4. Step 4: Simplify right side
    14,396,430.40x = 126,688,431,111,233.28
  5. Step 5: Solve for x
    x = 126,688,431,111,233.28/14,396,430.40
  6. Step 6: Final answer
    x = 8,799,989.14

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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.