Home / 10,406,907.84-15,594,178.88-7,218,264

Finding the Fourth Proportional to 10,406,907.84, 15,594,178.88 and 7,218,264

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Solution

The fourth proportional to 10,406,907.84, 15,594,178.88 and 7,218,264 is: 10,816,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406,907.84 : 15,594,178.88 = 7,218,264 : x
  2. Step 2: Convert to fraction form
    10,406,907.84/15,594,178.88 = 7,218,264/x
  3. Step 3: Cross multiply
    10,406,907.84x = 15,594,178.88 × 7,218,264
  4. Step 4: Simplify right side
    10,406,907.84x = 112,562,900,019,064.33
  5. Step 5: Solve for x
    x = 112,562,900,019,064.33/10,406,907.84
  6. Step 6: Final answer
    x = 10,816,171.50

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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.