Home / 42,709,712.04-64,075,481.19-12,417,575.04

Finding the Fourth Proportional to 42,709,712.04, 64,075,481.19 and 12,417,575.04

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Solution

The fourth proportional to 42,709,712.04, 64,075,481.19 and 12,417,575.04 is: 18,629,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,712.04 : 64,075,481.19 = 12,417,575.04 : x
  2. Step 2: Convert to fraction form
    42,709,712.04/64,075,481.19 = 12,417,575.04/x
  3. Step 3: Cross multiply
    42,709,712.04x = 64,075,481.19 × 12,417,575.04
  4. Step 4: Simplify right side
    42,709,712.04x = 795,662,095,900,933.38
  5. Step 5: Solve for x
    x = 795,662,095,900,933.38/42,709,712.04
  6. Step 6: Final answer
    x = 18,629,535.48

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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.