Home / 28,446,547.66-39,256,235.80-15,393,806.57

Finding the Fourth Proportional to 28,446,547.66, 39,256,235.80 and 15,393,806.57

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Solution

The fourth proportional to 28,446,547.66, 39,256,235.80 and 15,393,806.57 is: 21,243,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,547.66 : 39,256,235.80 = 15,393,806.57 : x
  2. Step 2: Convert to fraction form
    28,446,547.66/39,256,235.80 = 15,393,806.57/x
  3. Step 3: Cross multiply
    28,446,547.66x = 39,256,235.80 × 15,393,806.57
  4. Step 4: Simplify right side
    28,446,547.66x = 604,302,900,511,853.25
  5. Step 5: Solve for x
    x = 604,302,900,511,853.25/28,446,547.66
  6. Step 6: Final answer
    x = 21,243,453.08

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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.