Home / 28,779,871.60-43,113,820.20-17,386,476.40

Finding the Fourth Proportional to 28,779,871.60, 43,113,820.20 and 17,386,476.40

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Solution

The fourth proportional to 28,779,871.60, 43,113,820.20 and 17,386,476.40 is: 26,045,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,871.60 : 43,113,820.20 = 17,386,476.40 : x
  2. Step 2: Convert to fraction form
    28,779,871.60/43,113,820.20 = 17,386,476.40/x
  3. Step 3: Cross multiply
    28,779,871.60x = 43,113,820.20 × 17,386,476.40
  4. Step 4: Simplify right side
    28,779,871.60x = 749,597,417,421,143.25
  5. Step 5: Solve for x
    x = 749,597,417,421,143.25/28,779,871.60
  6. Step 6: Final answer
    x = 26,045,891.65

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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.