Home / 21,712,844.85-32,570,314.76-7,139,441.70

Finding the Fourth Proportional to 21,712,844.85, 32,570,314.76 and 7,139,441.70

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Solution

The fourth proportional to 21,712,844.85, 32,570,314.76 and 7,139,441.70 is: 10,709,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,844.85 : 32,570,314.76 = 7,139,441.70 : x
  2. Step 2: Convert to fraction form
    21,712,844.85/32,570,314.76 = 7,139,441.70/x
  3. Step 3: Cross multiply
    21,712,844.85x = 32,570,314.76 × 7,139,441.70
  4. Step 4: Simplify right side
    21,712,844.85x = 232,533,863,379,669.50
  5. Step 5: Solve for x
    x = 232,533,863,379,669.50/21,712,844.85
  6. Step 6: Final answer
    x = 10,709,506.98

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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.