Home / 18,338,031.56-25,307,090.28-10,078,386.62

Finding the Fourth Proportional to 18,338,031.56, 25,307,090.28 and 10,078,386.62

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Solution

The fourth proportional to 18,338,031.56, 25,307,090.28 and 10,078,386.62 is: 13,908,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,031.56 : 25,307,090.28 = 10,078,386.62 : x
  2. Step 2: Convert to fraction form
    18,338,031.56/25,307,090.28 = 10,078,386.62/x
  3. Step 3: Cross multiply
    18,338,031.56x = 25,307,090.28 × 10,078,386.62
  4. Step 4: Simplify right side
    18,338,031.56x = 255,054,639,942,548.62
  5. Step 5: Solve for x
    x = 255,054,639,942,548.62/18,338,031.56
  6. Step 6: Final answer
    x = 13,908,506.98

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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.