Home / 10,458,289.02-15,688,337.20-2,885,254.78

Finding the Fourth Proportional to 10,458,289.02, 15,688,337.20 and 2,885,254.78

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Solution

The fourth proportional to 10,458,289.02, 15,688,337.20 and 2,885,254.78 is: 4,328,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,289.02 : 15,688,337.20 = 2,885,254.78 : x
  2. Step 2: Convert to fraction form
    10,458,289.02/15,688,337.20 = 2,885,254.78/x
  3. Step 3: Cross multiply
    10,458,289.02x = 15,688,337.20 × 2,885,254.78
  4. Step 4: Simplify right side
    10,458,289.02x = 45,264,849,896,551.81
  5. Step 5: Solve for x
    x = 45,264,849,896,551.81/10,458,289.02
  6. Step 6: Final answer
    x = 4,328,131.48

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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.