Home / 19,820,020.80-29,730,031.20-19,820,020.80

Finding the Fourth Proportional to 19,820,020.80, 29,730,031.20 and 19,820,020.80

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Solution

The fourth proportional to 19,820,020.80, 29,730,031.20 and 19,820,020.80 is: 29,730,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820,020.80 : 29,730,031.20 = 19,820,020.80 : x
  2. Step 2: Convert to fraction form
    19,820,020.80/29,730,031.20 = 19,820,020.80/x
  3. Step 3: Cross multiply
    19,820,020.80x = 29,730,031.20 × 19,820,020.80
  4. Step 4: Simplify right side
    19,820,020.80x = 589,249,836,768,649
  5. Step 5: Solve for x
    x = 589,249,836,768,649/19,820,020.80
  6. Step 6: Final answer
    x = 29,730,031.20

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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.