Home / 15,653,966.98-21,593,322.81-9,843,549.70

Finding the Fourth Proportional to 15,653,966.98, 21,593,322.81 and 9,843,549.70

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Solution

The fourth proportional to 15,653,966.98, 21,593,322.81 and 9,843,549.70 is: 13,578,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653,966.98 : 21,593,322.81 = 9,843,549.70 : x
  2. Step 2: Convert to fraction form
    15,653,966.98/21,593,322.81 = 9,843,549.70/x
  3. Step 3: Cross multiply
    15,653,966.98x = 21,593,322.81 × 9,843,549.70
  4. Step 4: Simplify right side
    15,653,966.98x = 212,554,946,268,378.62
  5. Step 5: Solve for x
    x = 212,554,946,268,378.62/15,653,966.98
  6. Step 6: Final answer
    x = 13,578,343.85

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1.5x scale

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.