Home / 19,506,522.48-29,238,664.38-12,687,968.40

Finding the Fourth Proportional to 19,506,522.48, 29,238,664.38 and 12,687,968.40

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Solution

The fourth proportional to 19,506,522.48, 29,238,664.38 and 12,687,968.40 is: 19,018,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506,522.48 : 29,238,664.38 = 12,687,968.40 : x
  2. Step 2: Convert to fraction form
    19,506,522.48/29,238,664.38 = 12,687,968.40/x
  3. Step 3: Cross multiply
    19,506,522.48x = 29,238,664.38 × 12,687,968.40
  4. Step 4: Simplify right side
    19,506,522.48x = 370,979,249,711,645.56
  5. Step 5: Solve for x
    x = 370,979,249,711,645.56/19,506,522.48
  6. Step 6: Final answer
    x = 19,018,215.58

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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.