Home / 30,633,201.60-45,949,802.40-28,294,861.20

Finding the Fourth Proportional to 30,633,201.60, 45,949,802.40 and 28,294,861.20

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Solution

The fourth proportional to 30,633,201.60, 45,949,802.40 and 28,294,861.20 is: 42,442,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633,201.60 : 45,949,802.40 = 28,294,861.20 : x
  2. Step 2: Convert to fraction form
    30,633,201.60/45,949,802.40 = 28,294,861.20/x
  3. Step 3: Cross multiply
    30,633,201.60x = 45,949,802.40 × 28,294,861.20
  4. Step 4: Simplify right side
    30,633,201.60x = 1,300,143,281,075,426.75
  5. Step 5: Solve for x
    x = 1,300,143,281,075,426.75/30,633,201.60
  6. Step 6: Final answer
    x = 42,442,291.80

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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.