Home / 13,291,218.60-19,936,827.90-7,551,655.80

Finding the Fourth Proportional to 13,291,218.60, 19,936,827.90 and 7,551,655.80

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Solution

The fourth proportional to 13,291,218.60, 19,936,827.90 and 7,551,655.80 is: 11,327,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,218.60 : 19,936,827.90 = 7,551,655.80 : x
  2. Step 2: Convert to fraction form
    13,291,218.60/19,936,827.90 = 7,551,655.80/x
  3. Step 3: Cross multiply
    13,291,218.60x = 19,936,827.90 × 7,551,655.80
  4. Step 4: Simplify right side
    13,291,218.60x = 150,556,062,044,636.81
  5. Step 5: Solve for x
    x = 150,556,062,044,636.81/13,291,218.60
  6. Step 6: Final answer
    x = 11,327,483.70

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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.