Home / 40,287,115.60-60,430,673.40-13,360,771.60

Finding the Fourth Proportional to 40,287,115.60, 60,430,673.40 and 13,360,771.60

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Solution

The fourth proportional to 40,287,115.60, 60,430,673.40 and 13,360,771.60 is: 20,041,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,115.60 : 60,430,673.40 = 13,360,771.60 : x
  2. Step 2: Convert to fraction form
    40,287,115.60/60,430,673.40 = 13,360,771.60/x
  3. Step 3: Cross multiply
    40,287,115.60x = 60,430,673.40 × 13,360,771.60
  4. Step 4: Simplify right side
    40,287,115.60x = 807,400,424,931,595.38
  5. Step 5: Solve for x
    x = 807,400,424,931,595.38/40,287,115.60
  6. Step 6: Final answer
    x = 20,041,157.40

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1.5x scale

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.