Home / 12,627,803.13-18,927,532.53-6,242,539.92

Finding the Fourth Proportional to 12,627,803.13, 18,927,532.53 and 6,242,539.92

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Solution

The fourth proportional to 12,627,803.13, 18,927,532.53 and 6,242,539.92 is: 9,356,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,803.13 : 18,927,532.53 = 6,242,539.92 : x
  2. Step 2: Convert to fraction form
    12,627,803.13/18,927,532.53 = 6,242,539.92/x
  3. Step 3: Cross multiply
    12,627,803.13x = 18,927,532.53 × 6,242,539.92
  4. Step 4: Simplify right side
    12,627,803.13x = 118,155,877,405,623.61
  5. Step 5: Solve for x
    x = 118,155,877,405,623.61/12,627,803.13
  6. Step 6: Final answer
    x = 9,356,803.89

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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.