Home / 13,798,335.42-18,903,787.02-13,281,172.83

Finding the Fourth Proportional to 13,798,335.42, 18,903,787.02 and 13,281,172.83

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Solution

The fourth proportional to 13,798,335.42, 18,903,787.02 and 13,281,172.83 is: 18,195,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798,335.42 : 18,903,787.02 = 13,281,172.83 : x
  2. Step 2: Convert to fraction form
    13,798,335.42/18,903,787.02 = 13,281,172.83/x
  3. Step 3: Cross multiply
    13,798,335.42x = 18,903,787.02 × 13,281,172.83
  4. Step 4: Simplify right side
    13,798,335.42x = 251,064,462,554,130.66
  5. Step 5: Solve for x
    x = 251,064,462,554,130.66/13,798,335.42
  6. Step 6: Final answer
    x = 18,195,271.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.