Home / 8,838,809.60-13,258,214.40-7,420,467.20

Finding the Fourth Proportional to 8,838,809.60, 13,258,214.40 and 7,420,467.20

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Solution

The fourth proportional to 8,838,809.60, 13,258,214.40 and 7,420,467.20 is: 11,130,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838,809.60 : 13,258,214.40 = 7,420,467.20 : x
  2. Step 2: Convert to fraction form
    8,838,809.60/13,258,214.40 = 7,420,467.20/x
  3. Step 3: Cross multiply
    8,838,809.60x = 13,258,214.40 × 7,420,467.20
  4. Step 4: Simplify right side
    8,838,809.60x = 98,382,145,085,767.69
  5. Step 5: Solve for x
    x = 98,382,145,085,767.69/8,838,809.60
  6. Step 6: Final answer
    x = 11,130,700.80

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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.