Home / 12,426,347.20-18,622,024.80-9,871,931.20

Finding the Fourth Proportional to 12,426,347.20, 18,622,024.80 and 9,871,931.20

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Solution

The fourth proportional to 12,426,347.20, 18,622,024.80 and 9,871,931.20 is: 14,793,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,347.20 : 18,622,024.80 = 9,871,931.20 : x
  2. Step 2: Convert to fraction form
    12,426,347.20/18,622,024.80 = 9,871,931.20/x
  3. Step 3: Cross multiply
    12,426,347.20x = 18,622,024.80 × 9,871,931.20
  4. Step 4: Simplify right side
    12,426,347.20x = 183,835,347,630,293.75
  5. Step 5: Solve for x
    x = 183,835,347,630,293.75/12,426,347.20
  6. Step 6: Final answer
    x = 14,793,997.36

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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.