Home / 14,012,143.30-21,018,871.05-4,428,271.90

Finding the Fourth Proportional to 14,012,143.30, 21,018,871.05 and 4,428,271.90

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Solution

The fourth proportional to 14,012,143.30, 21,018,871.05 and 4,428,271.90 is: 6,642,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,143.30 : 21,018,871.05 = 4,428,271.90 : x
  2. Step 2: Convert to fraction form
    14,012,143.30/21,018,871.05 = 4,428,271.90/x
  3. Step 3: Cross multiply
    14,012,143.30x = 21,018,871.05 × 4,428,271.90
  4. Step 4: Simplify right side
    14,012,143.30x = 93,077,276,040,438.50
  5. Step 5: Solve for x
    x = 93,077,276,040,438.50/14,012,143.30
  6. Step 6: Final answer
    x = 6,642,615.20

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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.