Home / 14,231,803.84-19,639,863.28-7,705,432.40

Finding the Fourth Proportional to 14,231,803.84, 19,639,863.28 and 7,705,432.40

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Solution

The fourth proportional to 14,231,803.84, 19,639,863.28 and 7,705,432.40 is: 10,633,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231,803.84 : 19,639,863.28 = 7,705,432.40 : x
  2. Step 2: Convert to fraction form
    14,231,803.84/19,639,863.28 = 7,705,432.40/x
  3. Step 3: Cross multiply
    14,231,803.84x = 19,639,863.28 × 7,705,432.40
  4. Step 4: Simplify right side
    14,231,803.84x = 151,333,638,849,282.28
  5. Step 5: Solve for x
    x = 151,333,638,849,282.28/14,231,803.84
  6. Step 6: Final answer
    x = 10,633,482.62

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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.