Home / 12,923,062.80-19,368,005.40-7,869,008.40

Finding the Fourth Proportional to 12,923,062.80, 19,368,005.40 and 7,869,008.40

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Solution

The fourth proportional to 12,923,062.80, 19,368,005.40 and 7,869,008.40 is: 11,793,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,062.80 : 19,368,005.40 = 7,869,008.40 : x
  2. Step 2: Convert to fraction form
    12,923,062.80/19,368,005.40 = 7,869,008.40/x
  3. Step 3: Cross multiply
    12,923,062.80x = 19,368,005.40 × 7,869,008.40
  4. Step 4: Simplify right side
    12,923,062.80x = 152,406,997,183,845.34
  5. Step 5: Solve for x
    x = 152,406,997,183,845.34/12,923,062.80
  6. Step 6: Final answer
    x = 11,793,411.48

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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.