Home / 25,689,851.80-35,417,699.28-20,409,068.14

Finding the Fourth Proportional to 25,689,851.80, 35,417,699.28 and 20,409,068.14

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Solution

The fourth proportional to 25,689,851.80, 35,417,699.28 and 20,409,068.14 is: 28,137,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689,851.80 : 35,417,699.28 = 20,409,068.14 : x
  2. Step 2: Convert to fraction form
    25,689,851.80/35,417,699.28 = 20,409,068.14/x
  3. Step 3: Cross multiply
    25,689,851.80x = 35,417,699.28 × 20,409,068.14
  4. Step 4: Simplify right side
    25,689,851.80x = 722,842,237,967,549
  5. Step 5: Solve for x
    x = 722,842,237,967,549/25,689,851.80
  6. Step 6: Final answer
    x = 28,137,267.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.