Home / 30,287,310.60-45,430,965.90-18,343,374.60

Finding the Fourth Proportional to 30,287,310.60, 45,430,965.90 and 18,343,374.60

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Solution

The fourth proportional to 30,287,310.60, 45,430,965.90 and 18,343,374.60 is: 27,515,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287,310.60 : 45,430,965.90 = 18,343,374.60 : x
  2. Step 2: Convert to fraction form
    30,287,310.60/45,430,965.90 = 18,343,374.60/x
  3. Step 3: Cross multiply
    30,287,310.60x = 45,430,965.90 × 18,343,374.60
  4. Step 4: Simplify right side
    30,287,310.60x = 833,357,225,943,526.12
  5. Step 5: Solve for x
    x = 833,357,225,943,526.12/30,287,310.60
  6. Step 6: Final answer
    x = 27,515,061.90

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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.