Home / 28,803,055.68-39,729,488.04-18,473,417.28

Finding the Fourth Proportional to 28,803,055.68, 39,729,488.04 and 18,473,417.28

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Solution

The fourth proportional to 28,803,055.68, 39,729,488.04 and 18,473,417.28 is: 25,481,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,055.68 : 39,729,488.04 = 18,473,417.28 : x
  2. Step 2: Convert to fraction form
    28,803,055.68/39,729,488.04 = 18,473,417.28/x
  3. Step 3: Cross multiply
    28,803,055.68x = 39,729,488.04 × 18,473,417.28
  4. Step 4: Simplify right side
    28,803,055.68x = 733,939,410,883,689.38
  5. Step 5: Solve for x
    x = 733,939,410,883,689.38/28,803,055.68
  6. Step 6: Final answer
    x = 25,481,303.76

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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.