Home / 31,658,943.48-47,496,602.70-18,539,441.08

Finding the Fourth Proportional to 31,658,943.48, 47,496,602.70 and 18,539,441.08

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Solution

The fourth proportional to 31,658,943.48, 47,496,602.70 and 18,539,441.08 is: 27,813,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658,943.48 : 47,496,602.70 = 18,539,441.08 : x
  2. Step 2: Convert to fraction form
    31,658,943.48/47,496,602.70 = 18,539,441.08/x
  3. Step 3: Cross multiply
    31,658,943.48x = 47,496,602.70 × 18,539,441.08
  4. Step 4: Simplify right side
    31,658,943.48x = 880,560,467,256,818.88
  5. Step 5: Solve for x
    x = 880,560,467,256,818.88/31,658,943.48
  6. Step 6: Final answer
    x = 27,813,956.20

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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.