Home / 28,368,051.60-42,552,077.40-7,897,731.60

Finding the Fourth Proportional to 28,368,051.60, 42,552,077.40 and 7,897,731.60

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Solution

The fourth proportional to 28,368,051.60, 42,552,077.40 and 7,897,731.60 is: 11,846,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368,051.60 : 42,552,077.40 = 7,897,731.60 : x
  2. Step 2: Convert to fraction form
    28,368,051.60/42,552,077.40 = 7,897,731.60/x
  3. Step 3: Cross multiply
    28,368,051.60x = 42,552,077.40 × 7,897,731.60
  4. Step 4: Simplify right side
    28,368,051.60x = 336,064,886,327,625.81
  5. Step 5: Solve for x
    x = 336,064,886,327,625.81/28,368,051.60
  6. Step 6: Final answer
    x = 11,846,597.40

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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.