Home / 28,084,992.80-42,127,489.20-19,574,938.40

Finding the Fourth Proportional to 28,084,992.80, 42,127,489.20 and 19,574,938.40

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Solution

The fourth proportional to 28,084,992.80, 42,127,489.20 and 19,574,938.40 is: 29,362,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,992.80 : 42,127,489.20 = 19,574,938.40 : x
  2. Step 2: Convert to fraction form
    28,084,992.80/42,127,489.20 = 19,574,938.40/x
  3. Step 3: Cross multiply
    28,084,992.80x = 42,127,489.20 × 19,574,938.40
  4. Step 4: Simplify right side
    28,084,992.80x = 824,643,006,036,665.25
  5. Step 5: Solve for x
    x = 824,643,006,036,665.25/28,084,992.80
  6. Step 6: Final answer
    x = 29,362,407.60

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1.5x scale

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.