Home / 12,709,210.50-17,538,644.88-6,908,023.51

Finding the Fourth Proportional to 12,709,210.50, 17,538,644.88 and 6,908,023.51

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Solution

The fourth proportional to 12,709,210.50, 17,538,644.88 and 6,908,023.51 is: 9,533,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,210.50 : 17,538,644.88 = 6,908,023.51 : x
  2. Step 2: Convert to fraction form
    12,709,210.50/17,538,644.88 = 6,908,023.51/x
  3. Step 3: Cross multiply
    12,709,210.50x = 17,538,644.88 × 6,908,023.51
  4. Step 4: Simplify right side
    12,709,210.50x = 121,157,371,120,734.52
  5. Step 5: Solve for x
    x = 121,157,371,120,734.52/12,709,210.50
  6. Step 6: Final answer
    x = 9,533,036.78

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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.