Home / 31,105,411.40-46,658,117.10-19,712,016.20

Finding the Fourth Proportional to 31,105,411.40, 46,658,117.10 and 19,712,016.20

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Solution

The fourth proportional to 31,105,411.40, 46,658,117.10 and 19,712,016.20 is: 29,568,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,105,411.40 : 46,658,117.10 = 19,712,016.20 : x
  2. Step 2: Convert to fraction form
    31,105,411.40/46,658,117.10 = 19,712,016.20/x
  3. Step 3: Cross multiply
    31,105,411.40x = 46,658,117.10 × 19,712,016.20
  4. Step 4: Simplify right side
    31,105,411.40x = 919,725,560,136,697
  5. Step 5: Solve for x
    x = 919,725,560,136,697/31,105,411.40
  6. Step 6: Final answer
    x = 29,568,024.30

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1.5x scale

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.