Home / 31,527,374.10-43,500,355.34-19,137,162.53

Finding the Fourth Proportional to 31,527,374.10, 43,500,355.34 and 19,137,162.53

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Solution

The fourth proportional to 31,527,374.10, 43,500,355.34 and 19,137,162.53 is: 26,404,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527,374.10 : 43,500,355.34 = 19,137,162.53 : x
  2. Step 2: Convert to fraction form
    31,527,374.10/43,500,355.34 = 19,137,162.53/x
  3. Step 3: Cross multiply
    31,527,374.10x = 43,500,355.34 × 19,137,162.53
  4. Step 4: Simplify right side
    31,527,374.10x = 832,473,369,941,145.75
  5. Step 5: Solve for x
    x = 832,473,369,941,145.75/31,527,374.10
  6. Step 6: Final answer
    x = 26,404,779.77

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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.