Home / 8,240,590.80-12,360,886.20-5,370,809.40

Finding the Fourth Proportional to 8,240,590.80, 12,360,886.20 and 5,370,809.40

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Solution

The fourth proportional to 8,240,590.80, 12,360,886.20 and 5,370,809.40 is: 8,056,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,590.80 : 12,360,886.20 = 5,370,809.40 : x
  2. Step 2: Convert to fraction form
    8,240,590.80/12,360,886.20 = 5,370,809.40/x
  3. Step 3: Cross multiply
    8,240,590.80x = 12,360,886.20 × 5,370,809.40
  4. Step 4: Simplify right side
    8,240,590.80x = 66,387,963,795,290.28
  5. Step 5: Solve for x
    x = 66,387,963,795,290.28/8,240,590.80
  6. Step 6: Final answer
    x = 8,056,214.10

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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.