Home / 9,513,488.16-13,128,622.64-5,439,192.48

Finding the Fourth Proportional to 9,513,488.16, 13,128,622.64 and 5,439,192.48

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Solution

The fourth proportional to 9,513,488.16, 13,128,622.64 and 5,439,192.48 is: 7,506,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,488.16 : 13,128,622.64 = 5,439,192.48 : x
  2. Step 2: Convert to fraction form
    9,513,488.16/13,128,622.64 = 5,439,192.48/x
  3. Step 3: Cross multiply
    9,513,488.16x = 13,128,622.64 × 5,439,192.48
  4. Step 4: Simplify right side
    9,513,488.16x = 71,409,105,536,245.75
  5. Step 5: Solve for x
    x = 71,409,105,536,245.75/9,513,488.16
  6. Step 6: Final answer
    x = 7,506,090.76

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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.