Home / 18,338,031.06-25,307,089.59-10,078,386.11

Finding the Fourth Proportional to 18,338,031.06, 25,307,089.59 and 10,078,386.11

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Solution

The fourth proportional to 18,338,031.06, 25,307,089.59 and 10,078,386.11 is: 13,908,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,031.06 : 25,307,089.59 = 10,078,386.11 : x
  2. Step 2: Convert to fraction form
    18,338,031.06/25,307,089.59 = 10,078,386.11/x
  3. Step 3: Cross multiply
    18,338,031.06x = 25,307,089.59 × 10,078,386.11
  4. Step 4: Simplify right side
    18,338,031.06x = 255,054,620,208,381.59
  5. Step 5: Solve for x
    x = 255,054,620,208,381.59/18,338,031.06
  6. Step 6: Final answer
    x = 13,908,506.28

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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.