Home / 14,271,818.25-19,695,119.31-7,745,446.16

Finding the Fourth Proportional to 14,271,818.25, 19,695,119.31 and 7,745,446.16

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Solution

The fourth proportional to 14,271,818.25, 19,695,119.31 and 7,745,446.16 is: 10,688,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,818.25 : 19,695,119.31 = 7,745,446.16 : x
  2. Step 2: Convert to fraction form
    14,271,818.25/19,695,119.31 = 7,745,446.16/x
  3. Step 3: Cross multiply
    14,271,818.25x = 19,695,119.31 × 7,745,446.16
  4. Step 4: Simplify right side
    14,271,818.25x = 152,547,486,230,381.34
  5. Step 5: Solve for x
    x = 152,547,486,230,381.34/14,271,818.25
  6. Step 6: Final answer
    x = 10,688,721.20

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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.