Home / 28,404,865.60-42,600,386.40-8,208,001.60

Finding the Fourth Proportional to 28,404,865.60, 42,600,386.40 and 8,208,001.60

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Solution

The fourth proportional to 28,404,865.60, 42,600,386.40 and 8,208,001.60 is: 12,310,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,865.60 : 42,600,386.40 = 8,208,001.60 : x
  2. Step 2: Convert to fraction form
    28,404,865.60/42,600,386.40 = 8,208,001.60/x
  3. Step 3: Cross multiply
    28,404,865.60x = 42,600,386.40 × 8,208,001.60
  4. Step 4: Simplify right side
    28,404,865.60x = 349,664,039,731,818.19
  5. Step 5: Solve for x
    x = 349,664,039,731,818.19/28,404,865.60
  6. Step 6: Final answer
    x = 12,310,005.08

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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.