Home / 12,477,196.80-18,678,470.40-10,984,204.80

Finding the Fourth Proportional to 12,477,196.80, 18,678,470.40 and 10,984,204.80

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Solution

The fourth proportional to 12,477,196.80, 18,678,470.40 and 10,984,204.80 is: 16,443,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,196.80 : 18,678,470.40 = 10,984,204.80 : x
  2. Step 2: Convert to fraction form
    12,477,196.80/18,678,470.40 = 10,984,204.80/x
  3. Step 3: Cross multiply
    12,477,196.80x = 18,678,470.40 × 10,984,204.80
  4. Step 4: Simplify right side
    12,477,196.80x = 205,168,144,224,337.91
  5. Step 5: Solve for x
    x = 205,168,144,224,337.91/12,477,196.80
  6. Step 6: Final answer
    x = 16,443,448.60

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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.