Home / 8,874,602.90-13,311,904.35-7,918,009.10

Finding the Fourth Proportional to 8,874,602.90, 13,311,904.35 and 7,918,009.10

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Solution

The fourth proportional to 8,874,602.90, 13,311,904.35 and 7,918,009.10 is: 11,877,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,602.90 : 13,311,904.35 = 7,918,009.10 : x
  2. Step 2: Convert to fraction form
    8,874,602.90/13,311,904.35 = 7,918,009.10/x
  3. Step 3: Cross multiply
    8,874,602.90x = 13,311,904.35 × 7,918,009.10
  4. Step 4: Simplify right side
    8,874,602.90x = 105,403,779,781,629.58
  5. Step 5: Solve for x
    x = 105,403,779,781,629.58/8,874,602.90
  6. Step 6: Final answer
    x = 11,877,013.65

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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.