Home / 21,732,931.56-29,989,995.74-11,943,165.46

Finding the Fourth Proportional to 21,732,931.56, 29,989,995.74 and 11,943,165.46

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Solution

The fourth proportional to 21,732,931.56, 29,989,995.74 and 11,943,165.46 is: 16,480,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732,931.56 : 29,989,995.74 = 11,943,165.46 : x
  2. Step 2: Convert to fraction form
    21,732,931.56/29,989,995.74 = 11,943,165.46/x
  3. Step 3: Cross multiply
    21,732,931.56x = 29,989,995.74 × 11,943,165.46
  4. Step 4: Simplify right side
    21,732,931.56x = 358,175,481,267,515.12
  5. Step 5: Solve for x
    x = 358,175,481,267,515.12/21,732,931.56
  6. Step 6: Final answer
    x = 16,480,771.60

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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.