Home / 28,763,673.30-39,693,633.27-15,710,940.45

Finding the Fourth Proportional to 28,763,673.30, 39,693,633.27 and 15,710,940.45

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Solution

The fourth proportional to 28,763,673.30, 39,693,633.27 and 15,710,940.45 is: 21,680,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,673.30 : 39,693,633.27 = 15,710,940.45 : x
  2. Step 2: Convert to fraction form
    28,763,673.30/39,693,633.27 = 15,710,940.45/x
  3. Step 3: Cross multiply
    28,763,673.30x = 39,693,633.27 × 15,710,940.45
  4. Step 4: Simplify right side
    28,763,673.30x = 623,624,308,549,108.75
  5. Step 5: Solve for x
    x = 623,624,308,549,108.75/28,763,673.30
  6. Step 6: Final answer
    x = 21,680,968.98

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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.