Home / 10,218,526.56-14,101,907.08-5,572,565.76

Finding the Fourth Proportional to 10,218,526.56, 14,101,907.08 and 5,572,565.76

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Solution

The fourth proportional to 10,218,526.56, 14,101,907.08 and 5,572,565.76 is: 7,690,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,526.56 : 14,101,907.08 = 5,572,565.76 : x
  2. Step 2: Convert to fraction form
    10,218,526.56/14,101,907.08 = 5,572,565.76/x
  3. Step 3: Cross multiply
    10,218,526.56x = 14,101,907.08 × 5,572,565.76
  4. Step 4: Simplify right side
    10,218,526.56x = 78,583,804,544,709.58
  5. Step 5: Solve for x
    x = 78,583,804,544,709.58/10,218,526.56
  6. Step 6: Final answer
    x = 7,690,326.40

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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.