Home / 13,943,052.12-19,241,990.40-7,748,075.70

Finding the Fourth Proportional to 13,943,052.12, 19,241,990.40 and 7,748,075.70

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Solution

The fourth proportional to 13,943,052.12, 19,241,990.40 and 7,748,075.70 is: 10,692,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,052.12 : 19,241,990.40 = 7,748,075.70 : x
  2. Step 2: Convert to fraction form
    13,943,052.12/19,241,990.40 = 7,748,075.70/x
  3. Step 3: Cross multiply
    13,943,052.12x = 19,241,990.40 × 7,748,075.70
  4. Step 4: Simplify right side
    13,943,052.12x = 149,088,398,237,873.28
  5. Step 5: Solve for x
    x = 149,088,398,237,873.28/13,943,052.12
  6. Step 6: Final answer
    x = 10,692,665.92

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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.