Home / 9,515,193.64-13,130,980.20-5,164,280.02

Finding the Fourth Proportional to 9,515,193.64, 13,130,980.20 and 5,164,280.02

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Solution

The fourth proportional to 9,515,193.64, 13,130,980.20 and 5,164,280.02 is: 7,126,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,193.64 : 13,130,980.20 = 5,164,280.02 : x
  2. Step 2: Convert to fraction form
    9,515,193.64/13,130,980.20 = 5,164,280.02/x
  3. Step 3: Cross multiply
    9,515,193.64x = 13,130,980.20 × 5,164,280.02
  4. Step 4: Simplify right side
    9,515,193.64x = 67,812,058,689,875.59
  5. Step 5: Solve for x
    x = 67,812,058,689,875.59/9,515,193.64
  6. Step 6: Final answer
    x = 7,126,713.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.