Home / 7,875,999.60-11,813,999.40-4,679,480.40

Finding the Fourth Proportional to 7,875,999.60, 11,813,999.40 and 4,679,480.40

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Solution

The fourth proportional to 7,875,999.60, 11,813,999.40 and 4,679,480.40 is: 7,019,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,999.60 : 11,813,999.40 = 4,679,480.40 : x
  2. Step 2: Convert to fraction form
    7,875,999.60/11,813,999.40 = 4,679,480.40/x
  3. Step 3: Cross multiply
    7,875,999.60x = 11,813,999.40 × 4,679,480.40
  4. Step 4: Simplify right side
    7,875,999.60x = 55,283,378,637,911.77
  5. Step 5: Solve for x
    x = 55,283,378,637,911.77/7,875,999.60
  6. Step 6: Final answer
    x = 7,019,220.60

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1.5x scale

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.