Home / 28,611,209.62-39,484,507.59-16,390,428.58

Finding the Fourth Proportional to 28,611,209.62, 39,484,507.59 and 16,390,428.58

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Solution

The fourth proportional to 28,611,209.62, 39,484,507.59 and 16,390,428.58 is: 22,619,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,209.62 : 39,484,507.59 = 16,390,428.58 : x
  2. Step 2: Convert to fraction form
    28,611,209.62/39,484,507.59 = 16,390,428.58/x
  3. Step 3: Cross multiply
    28,611,209.62x = 39,484,507.59 × 16,390,428.58
  4. Step 4: Simplify right side
    28,611,209.62x = 647,168,001,670,363
  5. Step 5: Solve for x
    x = 647,168,001,670,363/28,611,209.62
  6. Step 6: Final answer
    x = 22,619,386.26

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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.