Home / 12,772,984.60-19,159,476.90-8,238,021.40

Finding the Fourth Proportional to 12,772,984.60, 19,159,476.90 and 8,238,021.40

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Solution

The fourth proportional to 12,772,984.60, 19,159,476.90 and 8,238,021.40 is: 12,357,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,984.60 : 19,159,476.90 = 8,238,021.40 : x
  2. Step 2: Convert to fraction form
    12,772,984.60/19,159,476.90 = 8,238,021.40/x
  3. Step 3: Cross multiply
    12,772,984.60x = 19,159,476.90 × 8,238,021.40
  4. Step 4: Simplify right side
    12,772,984.60x = 157,836,180,715,005.66
  5. Step 5: Solve for x
    x = 157,836,180,715,005.66/12,772,984.60
  6. Step 6: Final answer
    x = 12,357,032.10

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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.