Home / 10,603,287.50-15,875,298.93-5,728,128.25

Finding the Fourth Proportional to 10,603,287.50, 15,875,298.93 and 5,728,128.25

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Solution

The fourth proportional to 10,603,287.50, 15,875,298.93 and 5,728,128.25 is: 8,576,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,287.50 : 15,875,298.93 = 5,728,128.25 : x
  2. Step 2: Convert to fraction form
    10,603,287.50/15,875,298.93 = 5,728,128.25/x
  3. Step 3: Cross multiply
    10,603,287.50x = 15,875,298.93 × 5,728,128.25
  4. Step 4: Simplify right side
    10,603,287.50x = 90,935,748,278,127.77
  5. Step 5: Solve for x
    x = 90,935,748,278,127.77/10,603,287.50
  6. Step 6: Final answer
    x = 8,576,184.35

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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.