Home / 28,218,557.51-42,323,305.50-7,743,495.36

Finding the Fourth Proportional to 28,218,557.51, 42,323,305.50 and 7,743,495.36

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Solution

The fourth proportional to 28,218,557.51, 42,323,305.50 and 7,743,495.36 is: 11,613,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,557.51 : 42,323,305.50 = 7,743,495.36 : x
  2. Step 2: Convert to fraction form
    28,218,557.51/42,323,305.50 = 7,743,495.36/x
  3. Step 3: Cross multiply
    28,218,557.51x = 42,323,305.50 × 7,743,495.36
  4. Step 4: Simplify right side
    28,218,557.51x = 327,730,319,759,112.50
  5. Step 5: Solve for x
    x = 327,730,319,759,112.50/28,218,557.51
  6. Step 6: Final answer
    x = 11,613,999.75

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1.5x scale

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.