Home / 9,979,197.60-13,771,312.80-5,395,519.20

Finding the Fourth Proportional to 9,979,197.60, 13,771,312.80 and 5,395,519.20

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Solution

The fourth proportional to 9,979,197.60, 13,771,312.80 and 5,395,519.20 is: 7,445,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,197.60 : 13,771,312.80 = 5,395,519.20 : x
  2. Step 2: Convert to fraction form
    9,979,197.60/13,771,312.80 = 5,395,519.20/x
  3. Step 3: Cross multiply
    9,979,197.60x = 13,771,312.80 × 5,395,519.20
  4. Step 4: Simplify right side
    9,979,197.60x = 74,303,382,621,605.77
  5. Step 5: Solve for x
    x = 74,303,382,621,605.77/9,979,197.60
  6. Step 6: Final answer
    x = 7,445,827.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.