Home / 15,717,397.93-21,678,317.33-13,878,612.07

Finding the Fourth Proportional to 15,717,397.93, 21,678,317.33 and 13,878,612.07

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Solution

The fourth proportional to 15,717,397.93, 21,678,317.33 and 13,878,612.07 is: 19,142,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,397.93 : 21,678,317.33 = 13,878,612.07 : x
  2. Step 2: Convert to fraction form
    15,717,397.93/21,678,317.33 = 13,878,612.07/x
  3. Step 3: Cross multiply
    15,717,397.93x = 21,678,317.33 × 13,878,612.07
  4. Step 4: Simplify right side
    15,717,397.93x = 300,864,956,484,035.12
  5. Step 5: Solve for x
    x = 300,864,956,484,035.12/15,717,397.93
  6. Step 6: Final answer
    x = 19,142,160.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.