Home / 31,083,339.60-46,666,999.80-19,745,931.60

Finding the Fourth Proportional to 31,083,339.60, 46,666,999.80 and 19,745,931.60

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Solution

The fourth proportional to 31,083,339.60, 46,666,999.80 and 19,745,931.60 is: 29,645,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083,339.60 : 46,666,999.80 = 19,745,931.60 : x
  2. Step 2: Convert to fraction form
    31,083,339.60/46,666,999.80 = 19,745,931.60/x
  3. Step 3: Cross multiply
    31,083,339.60x = 46,666,999.80 × 19,745,931.60
  4. Step 4: Simplify right side
    31,083,339.60x = 921,483,386,028,013.75
  5. Step 5: Solve for x
    x = 921,483,386,028,013.75/31,083,339.60
  6. Step 6: Final answer
    x = 29,645,572.13

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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.