Home / 30,357,281.40-45,520,175.70-11,178,166.20

Finding the Fourth Proportional to 30,357,281.40, 45,520,175.70 and 11,178,166.20

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Solution

The fourth proportional to 30,357,281.40, 45,520,175.70 and 11,178,166.20 is: 16,761,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357,281.40 : 45,520,175.70 = 11,178,166.20 : x
  2. Step 2: Convert to fraction form
    30,357,281.40/45,520,175.70 = 11,178,166.20/x
  3. Step 3: Cross multiply
    30,357,281.40x = 45,520,175.70 × 11,178,166.20
  4. Step 4: Simplify right side
    30,357,281.40x = 508,832,089,427,801.31
  5. Step 5: Solve for x
    x = 508,832,089,427,801.31/30,357,281.40
  6. Step 6: Final answer
    x = 16,761,451.16

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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.