Home / 21,387,423.60-32,089,008.60-7,010,960.40

Finding the Fourth Proportional to 21,387,423.60, 32,089,008.60 and 7,010,960.40

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Solution

The fourth proportional to 21,387,423.60, 32,089,008.60 and 7,010,960.40 is: 10,519,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,423.60 : 32,089,008.60 = 7,010,960.40 : x
  2. Step 2: Convert to fraction form
    21,387,423.60/32,089,008.60 = 7,010,960.40/x
  3. Step 3: Cross multiply
    21,387,423.60x = 32,089,008.60 × 7,010,960.40
  4. Step 4: Simplify right side
    21,387,423.60x = 224,974,768,569,859.47
  5. Step 5: Solve for x
    x = 224,974,768,569,859.47/21,387,423.60
  6. Step 6: Final answer
    x = 10,519,021.49

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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.