Home / 10,213,051.74-15,300,448.65-9,161,425.50

Finding the Fourth Proportional to 10,213,051.74, 15,300,448.65 and 9,161,425.50

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Solution

The fourth proportional to 10,213,051.74, 15,300,448.65 and 9,161,425.50 is: 13,724,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213,051.74 : 15,300,448.65 = 9,161,425.50 : x
  2. Step 2: Convert to fraction form
    10,213,051.74/15,300,448.65 = 9,161,425.50/x
  3. Step 3: Cross multiply
    10,213,051.74x = 15,300,448.65 × 9,161,425.50
  4. Step 4: Simplify right side
    10,213,051.74x = 140,173,920,423,550.58
  5. Step 5: Solve for x
    x = 140,173,920,423,550.58/10,213,051.74
  6. Step 6: Final answer
    x = 13,724,978.98

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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.