Home / 31,599,618.47-47,357,810.18-13,381,270.82

Finding the Fourth Proportional to 31,599,618.47, 47,357,810.18 and 13,381,270.82

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Solution

The fourth proportional to 31,599,618.47, 47,357,810.18 and 13,381,270.82 is: 20,054,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599,618.47 : 47,357,810.18 = 13,381,270.82 : x
  2. Step 2: Convert to fraction form
    31,599,618.47/47,357,810.18 = 13,381,270.82/x
  3. Step 3: Cross multiply
    31,599,618.47x = 47,357,810.18 × 13,381,270.82
  4. Step 4: Simplify right side
    31,599,618.47x = 633,707,683,460,733
  5. Step 5: Solve for x
    x = 633,707,683,460,733/31,599,618.47
  6. Step 6: Final answer
    x = 20,054,282.75

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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.