Home / 9,918,845.40-14,878,268.10-9,855,859.80

Finding the Fourth Proportional to 9,918,845.40, 14,878,268.10 and 9,855,859.80

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Solution

The fourth proportional to 9,918,845.40, 14,878,268.10 and 9,855,859.80 is: 14,783,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,845.40 : 14,878,268.10 = 9,855,859.80 : x
  2. Step 2: Convert to fraction form
    9,918,845.40/14,878,268.10 = 9,855,859.80/x
  3. Step 3: Cross multiply
    9,918,845.40x = 14,878,268.10 × 9,855,859.80
  4. Step 4: Simplify right side
    9,918,845.40x = 146,638,124,460,412.38
  5. Step 5: Solve for x
    x = 146,638,124,460,412.38/9,918,845.40
  6. Step 6: Final answer
    x = 14,783,789.70

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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.