Home / 28,779,888.90-43,192,219.67-20,087,520.05

Finding the Fourth Proportional to 28,779,888.90, 43,192,219.67 and 20,087,520.05

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Solution

The fourth proportional to 28,779,888.90, 43,192,219.67 and 20,087,520.05 is: 30,146,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,888.90 : 43,192,219.67 = 20,087,520.05 : x
  2. Step 2: Convert to fraction form
    28,779,888.90/43,192,219.67 = 20,087,520.05/x
  3. Step 3: Cross multiply
    28,779,888.90x = 43,192,219.67 × 20,087,520.05
  4. Step 4: Simplify right side
    28,779,888.90x = 867,624,578,308,730.75
  5. Step 5: Solve for x
    x = 867,624,578,308,730.75/28,779,888.90
  6. Step 6: Final answer
    x = 30,146,905.06

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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.