Home / 28,403,999.60-42,557,010.60-13,226,802.80

Finding the Fourth Proportional to 28,403,999.60, 42,557,010.60 and 13,226,802.80

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Solution

The fourth proportional to 28,403,999.60, 42,557,010.60 and 13,226,802.80 is: 19,817,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,999.60 : 42,557,010.60 = 13,226,802.80 : x
  2. Step 2: Convert to fraction form
    28,403,999.60/42,557,010.60 = 13,226,802.80/x
  3. Step 3: Cross multiply
    28,403,999.60x = 42,557,010.60 × 13,226,802.80
  4. Step 4: Simplify right side
    28,403,999.60x = 562,893,186,963,709.75
  5. Step 5: Solve for x
    x = 562,893,186,963,709.75/28,403,999.60
  6. Step 6: Final answer
    x = 19,817,391.74

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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.