Home / 28,083,812.40-42,130,384.20-11,045,041.20

Finding the Fourth Proportional to 28,083,812.40, 42,130,384.20 and 11,045,041.20

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Solution

The fourth proportional to 28,083,812.40, 42,130,384.20 and 11,045,041.20 is: 16,569,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,812.40 : 42,130,384.20 = 11,045,041.20 : x
  2. Step 2: Convert to fraction form
    28,083,812.40/42,130,384.20 = 11,045,041.20/x
  3. Step 3: Cross multiply
    28,083,812.40x = 42,130,384.20 × 11,045,041.20
  4. Step 4: Simplify right side
    28,083,812.40x = 465,331,829,260,829.06
  5. Step 5: Solve for x
    x = 465,331,829,260,829.06/28,083,812.40
  6. Step 6: Final answer
    x = 16,569,396.73

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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.