Home / 31,605,963.03-47,408,962.89-8,886,860.28

Finding the Fourth Proportional to 31,605,963.03, 47,408,962.89 and 8,886,860.28

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Solution

The fourth proportional to 31,605,963.03, 47,408,962.89 and 8,886,860.28 is: 13,330,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,963.03 : 47,408,962.89 = 8,886,860.28 : x
  2. Step 2: Convert to fraction form
    31,605,963.03/47,408,962.89 = 8,886,860.28/x
  3. Step 3: Cross multiply
    31,605,963.03x = 47,408,962.89 × 8,886,860.28
  4. Step 4: Simplify right side
    31,605,963.03x = 421,316,829,223,135
  5. Step 5: Solve for x
    x = 421,316,829,223,135/31,605,963.03
  6. Step 6: Final answer
    x = 13,330,295.58

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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.