Home / 13,005,838.60-19,487,762.70-8,204,936.20

Finding the Fourth Proportional to 13,005,838.60, 19,487,762.70 and 8,204,936.20

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Solution

The fourth proportional to 13,005,838.60, 19,487,762.70 and 8,204,936.20 is: 12,294,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,838.60 : 19,487,762.70 = 8,204,936.20 : x
  2. Step 2: Convert to fraction form
    13,005,838.60/19,487,762.70 = 8,204,936.20/x
  3. Step 3: Cross multiply
    13,005,838.60x = 19,487,762.70 × 8,204,936.20
  4. Step 4: Simplify right side
    13,005,838.60x = 159,895,849,634,239.75
  5. Step 5: Solve for x
    x = 159,895,849,634,239.75/13,005,838.60
  6. Step 6: Final answer
    x = 12,294,159.15

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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.