Home / 12,709,356.86-17,539,029.88-6,908,152.25

Finding the Fourth Proportional to 12,709,356.86, 17,539,029.88 and 6,908,152.25

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Solution

The fourth proportional to 12,709,356.86, 17,539,029.88 and 6,908,152.25 is: 9,533,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,356.86 : 17,539,029.88 = 6,908,152.25 : x
  2. Step 2: Convert to fraction form
    12,709,356.86/17,539,029.88 = 6,908,152.25/x
  3. Step 3: Cross multiply
    12,709,356.86x = 17,539,029.88 × 6,908,152.25
  4. Step 4: Simplify right side
    12,709,356.86x = 121,162,288,623,373.72
  5. Step 5: Solve for x
    x = 121,162,288,623,373.72/12,709,356.86
  6. Step 6: Final answer
    x = 9,533,313.92

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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.