Home / 13,574,284.32-18,732,344.40-7,462,659.36

Finding the Fourth Proportional to 13,574,284.32, 18,732,344.40 and 7,462,659.36

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Solution

The fourth proportional to 13,574,284.32, 18,732,344.40 and 7,462,659.36 is: 10,298,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,284.32 : 18,732,344.40 = 7,462,659.36 : x
  2. Step 2: Convert to fraction form
    13,574,284.32/18,732,344.40 = 7,462,659.36/x
  3. Step 3: Cross multiply
    13,574,284.32x = 18,732,344.40 × 7,462,659.36
  4. Step 4: Simplify right side
    13,574,284.32x = 139,793,105,271,403.58
  5. Step 5: Solve for x
    x = 139,793,105,271,403.58/13,574,284.32
  6. Step 6: Final answer
    x = 10,298,377.58

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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.