Home / 28,779,817.10-43,113,738.45-17,386,421.90

Finding the Fourth Proportional to 28,779,817.10, 43,113,738.45 and 17,386,421.90

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Solution

The fourth proportional to 28,779,817.10, 43,113,738.45 and 17,386,421.90 is: 26,045,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,817.10 : 43,113,738.45 = 17,386,421.90 : x
  2. Step 2: Convert to fraction form
    28,779,817.10/43,113,738.45 = 17,386,421.90/x
  3. Step 3: Cross multiply
    28,779,817.10x = 43,113,738.45 × 17,386,421.90
  4. Step 4: Simplify right side
    28,779,817.10x = 749,593,646,377,952
  5. Step 5: Solve for x
    x = 749,593,646,377,952/28,779,817.10
  6. Step 6: Final answer
    x = 26,045,809.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.