Home / 20,191,017.69-30,294,159.52-7,903,762.40

Finding the Fourth Proportional to 20,191,017.69, 30,294,159.52 and 7,903,762.40

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Solution

The fourth proportional to 20,191,017.69, 30,294,159.52 and 7,903,762.40 is: 11,858,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,017.69 : 30,294,159.52 = 7,903,762.40 : x
  2. Step 2: Convert to fraction form
    20,191,017.69/30,294,159.52 = 7,903,762.40/x
  3. Step 3: Cross multiply
    20,191,017.69x = 30,294,159.52 × 7,903,762.40
  4. Step 4: Simplify right side
    20,191,017.69x = 239,437,838,953,778.06
  5. Step 5: Solve for x
    x = 239,437,838,953,778.06/20,191,017.69
  6. Step 6: Final answer
    x = 11,858,631.53

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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.