Home / 8,864,739.40-13,297,109.10-8,808,752.20

Finding the Fourth Proportional to 8,864,739.40, 13,297,109.10 and 8,808,752.20

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Solution

The fourth proportional to 8,864,739.40, 13,297,109.10 and 8,808,752.20 is: 13,213,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864,739.40 : 13,297,109.10 = 8,808,752.20 : x
  2. Step 2: Convert to fraction form
    8,864,739.40/13,297,109.10 = 8,808,752.20/x
  3. Step 3: Cross multiply
    8,864,739.40x = 13,297,109.10 × 8,808,752.20
  4. Step 4: Simplify right side
    8,864,739.40x = 117,130,939,038,265
  5. Step 5: Solve for x
    x = 117,130,939,038,265/8,864,739.40
  6. Step 6: Final answer
    x = 13,213,128.30

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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.