Home / 35,966,031.40-53,949,047.10-13,243,976.20

Finding the Fourth Proportional to 35,966,031.40, 53,949,047.10 and 13,243,976.20

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Solution

The fourth proportional to 35,966,031.40, 53,949,047.10 and 13,243,976.20 is: 19,865,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966,031.40 : 53,949,047.10 = 13,243,976.20 : x
  2. Step 2: Convert to fraction form
    35,966,031.40/53,949,047.10 = 13,243,976.20/x
  3. Step 3: Cross multiply
    35,966,031.40x = 53,949,047.10 × 13,243,976.20
  4. Step 4: Simplify right side
    35,966,031.40x = 714,499,895,805,079
  5. Step 5: Solve for x
    x = 714,499,895,805,079/35,966,031.40
  6. Step 6: Final answer
    x = 19,865,964.30

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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.