Home / 30,140,520.04-45,212,343.90-9,947,336.68

Finding the Fourth Proportional to 30,140,520.04, 45,212,343.90 and 9,947,336.68

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Solution

The fourth proportional to 30,140,520.04, 45,212,343.90 and 9,947,336.68 is: 14,921,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140,520.04 : 45,212,343.90 = 9,947,336.68 : x
  2. Step 2: Convert to fraction form
    30,140,520.04/45,212,343.90 = 9,947,336.68/x
  3. Step 3: Cross multiply
    30,140,520.04x = 45,212,343.90 × 9,947,336.68
  4. Step 4: Simplify right side
    30,140,520.04x = 449,742,406,865,244.25
  5. Step 5: Solve for x
    x = 449,742,406,865,244.25/30,140,520.04
  6. Step 6: Final answer
    x = 14,921,521.14

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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.