Home / 39,749,421.40-59,641,846.80-18,172,916.80

Finding the Fourth Proportional to 39,749,421.40, 59,641,846.80 and 18,172,916.80

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Solution

The fourth proportional to 39,749,421.40, 59,641,846.80 and 18,172,916.80 is: 27,267,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749,421.40 : 59,641,846.80 = 18,172,916.80 : x
  2. Step 2: Convert to fraction form
    39,749,421.40/59,641,846.80 = 18,172,916.80/x
  3. Step 3: Cross multiply
    39,749,421.40x = 59,641,846.80 × 18,172,916.80
  4. Step 4: Simplify right side
    39,749,421.40x = 1,083,866,319,694,746.25
  5. Step 5: Solve for x
    x = 1,083,866,319,694,746.25/39,749,421.40
  6. Step 6: Final answer
    x = 27,267,474.13

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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.