Home / 8,719,726.47-13,047,600.40-7,276,848.05

Finding the Fourth Proportional to 8,719,726.47, 13,047,600.40 and 7,276,848.05

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Solution

The fourth proportional to 8,719,726.47, 13,047,600.40 and 7,276,848.05 is: 10,888,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,726.47 : 13,047,600.40 = 7,276,848.05 : x
  2. Step 2: Convert to fraction form
    8,719,726.47/13,047,600.40 = 7,276,848.05/x
  3. Step 3: Cross multiply
    8,719,726.47x = 13,047,600.40 × 7,276,848.05
  4. Step 4: Simplify right side
    8,719,726.47x = 94,945,405,426,296.97
  5. Step 5: Solve for x
    x = 94,945,405,426,296.97/8,719,726.47
  6. Step 6: Final answer
    x = 10,888,576.12

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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.