Home / 28,977,653.35-39,988,328.02-15,924,896.47

Finding the Fourth Proportional to 28,977,653.35, 39,988,328.02 and 15,924,896.47

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Solution

The fourth proportional to 28,977,653.35, 39,988,328.02 and 15,924,896.47 is: 21,975,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,653.35 : 39,988,328.02 = 15,924,896.47 : x
  2. Step 2: Convert to fraction form
    28,977,653.35/39,988,328.02 = 15,924,896.47/x
  3. Step 3: Cross multiply
    28,977,653.35x = 39,988,328.02 × 15,924,896.47
  4. Step 4: Simplify right side
    28,977,653.35x = 636,809,983,726,900.12
  5. Step 5: Solve for x
    x = 636,809,983,726,900.12/28,977,653.35
  6. Step 6: Final answer
    x = 21,975,899.02

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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.