Home / 21,045,406.84-29,045,111.70-17,506,952.71

Finding the Fourth Proportional to 21,045,406.84, 29,045,111.70 and 17,506,952.71

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Solution

The fourth proportional to 21,045,406.84, 29,045,111.70 and 17,506,952.71 is: 24,161,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045,406.84 : 29,045,111.70 = 17,506,952.71 : x
  2. Step 2: Convert to fraction form
    21,045,406.84/29,045,111.70 = 17,506,952.71/x
  3. Step 3: Cross multiply
    21,045,406.84x = 29,045,111.70 × 17,506,952.71
  4. Step 4: Simplify right side
    21,045,406.84x = 508,491,396,988,567.75
  5. Step 5: Solve for x
    x = 508,491,396,988,567.75/21,045,406.84
  6. Step 6: Final answer
    x = 24,161,633.03

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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.