Home / 28,020,598.02-42,043,034.70-15,051,615.84

Finding the Fourth Proportional to 28,020,598.02, 42,043,034.70 and 15,051,615.84

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Solution

The fourth proportional to 28,020,598.02, 42,043,034.70 and 15,051,615.84 is: 22,583,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020,598.02 : 42,043,034.70 = 15,051,615.84 : x
  2. Step 2: Convert to fraction form
    28,020,598.02/42,043,034.70 = 15,051,615.84/x
  3. Step 3: Cross multiply
    28,020,598.02x = 42,043,034.70 × 15,051,615.84
  4. Step 4: Simplify right side
    28,020,598.02x = 632,815,607,052,189.62
  5. Step 5: Solve for x
    x = 632,815,607,052,189.62/28,020,598.02
  6. Step 6: Final answer
    x = 22,583,943.66

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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.