Home / 12,360,909.60-18,549,237.60-7,243,329.60

Finding the Fourth Proportional to 12,360,909.60, 18,549,237.60 and 7,243,329.60

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Solution

The fourth proportional to 12,360,909.60, 18,549,237.60 and 7,243,329.60 is: 10,869,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,909.60 : 18,549,237.60 = 7,243,329.60 : x
  2. Step 2: Convert to fraction form
    12,360,909.60/18,549,237.60 = 7,243,329.60/x
  3. Step 3: Cross multiply
    12,360,909.60x = 18,549,237.60 × 7,243,329.60
  4. Step 4: Simplify right side
    12,360,909.60x = 134,358,241,765,512.97
  5. Step 5: Solve for x
    x = 134,358,241,765,512.97/12,360,909.60
  6. Step 6: Final answer
    x = 10,869,607.99

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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.