Home / 28,872,281.40-43,310,415-8,402,170.53

Finding the Fourth Proportional to 28,872,281.40, 43,310,415 and 8,402,170.53

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Solution

The fourth proportional to 28,872,281.40, 43,310,415 and 8,402,170.53 is: 12,603,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872,281.40 : 43,310,415 = 8,402,170.53 : x
  2. Step 2: Convert to fraction form
    28,872,281.40/43,310,415 = 8,402,170.53/x
  3. Step 3: Cross multiply
    28,872,281.40x = 43,310,415 × 8,402,170.53
  4. Step 4: Simplify right side
    28,872,281.40x = 363,901,492,555,069.94
  5. Step 5: Solve for x
    x = 363,901,492,555,069.94/28,872,281.40
  6. Step 6: Final answer
    x = 12,603,835.75

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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.