Home / 28,129,632.40-42,194,448.60-10,176,403.60

Finding the Fourth Proportional to 28,129,632.40, 42,194,448.60 and 10,176,403.60

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Solution

The fourth proportional to 28,129,632.40, 42,194,448.60 and 10,176,403.60 is: 15,264,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129,632.40 : 42,194,448.60 = 10,176,403.60 : x
  2. Step 2: Convert to fraction form
    28,129,632.40/42,194,448.60 = 10,176,403.60/x
  3. Step 3: Cross multiply
    28,129,632.40x = 42,194,448.60 × 10,176,403.60
  4. Step 4: Simplify right side
    28,129,632.40x = 429,387,738,633,054.94
  5. Step 5: Solve for x
    x = 429,387,738,633,054.94/28,129,632.40
  6. Step 6: Final answer
    x = 15,264,605.40

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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.