Home / 7,831,246.40-11,746,869.60-5,705,482.40

Finding the Fourth Proportional to 7,831,246.40, 11,746,869.60 and 5,705,482.40

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Solution

The fourth proportional to 7,831,246.40, 11,746,869.60 and 5,705,482.40 is: 8,558,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,246.40 : 11,746,869.60 = 5,705,482.40 : x
  2. Step 2: Convert to fraction form
    7,831,246.40/11,746,869.60 = 5,705,482.40/x
  3. Step 3: Cross multiply
    7,831,246.40x = 11,746,869.60 × 5,705,482.40
  4. Step 4: Simplify right side
    7,831,246.40x = 67,021,557,757,895.04
  5. Step 5: Solve for x
    x = 67,021,557,757,895.04/7,831,246.40
  6. Step 6: Final answer
    x = 8,558,223.60

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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.