Home / 27,670,545.22-38,184,953.80-15,281,162.88

Finding the Fourth Proportional to 27,670,545.22, 38,184,953.80 and 15,281,162.88

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Solution

The fourth proportional to 27,670,545.22, 38,184,953.80 and 15,281,162.88 is: 21,087,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670,545.22 : 38,184,953.80 = 15,281,162.88 : x
  2. Step 2: Convert to fraction form
    27,670,545.22/38,184,953.80 = 15,281,162.88/x
  3. Step 3: Cross multiply
    27,670,545.22x = 38,184,953.80 × 15,281,162.88
  4. Step 4: Simplify right side
    27,670,545.22x = 583,510,498,583,074.88
  5. Step 5: Solve for x
    x = 583,510,498,583,074.88/27,670,545.22
  6. Step 6: Final answer
    x = 21,087,784.64

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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.