Home / 28,779,857.60-43,113,799.20-17,386,462.40

Finding the Fourth Proportional to 28,779,857.60, 43,113,799.20 and 17,386,462.40

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Solution

The fourth proportional to 28,779,857.60, 43,113,799.20 and 17,386,462.40 is: 26,045,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,857.60 : 43,113,799.20 = 17,386,462.40 : x
  2. Step 2: Convert to fraction form
    28,779,857.60/43,113,799.20 = 17,386,462.40/x
  3. Step 3: Cross multiply
    28,779,857.60x = 43,113,799.20 × 17,386,462.40
  4. Step 4: Simplify right side
    28,779,857.60x = 749,596,448,711,950.12
  5. Step 5: Solve for x
    x = 749,596,448,711,950.12/28,779,857.60
  6. Step 6: Final answer
    x = 26,045,870.66

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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.