Home / 19,849,848.80-29,778,920.40-6,388,037.60

Finding the Fourth Proportional to 19,849,848.80, 29,778,920.40 and 6,388,037.60

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Solution

The fourth proportional to 19,849,848.80, 29,778,920.40 and 6,388,037.60 is: 9,583,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849,848.80 : 29,778,920.40 = 6,388,037.60 : x
  2. Step 2: Convert to fraction form
    19,849,848.80/29,778,920.40 = 6,388,037.60/x
  3. Step 3: Cross multiply
    19,849,848.80x = 29,778,920.40 × 6,388,037.60
  4. Step 4: Simplify right side
    19,849,848.80x = 190,228,863,202,607.03
  5. Step 5: Solve for x
    x = 190,228,863,202,607.03/19,849,848.80
  6. Step 6: Final answer
    x = 9,583,391.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.