Home / 28,763,210.16-39,692,993.56-15,710,477.92

Finding the Fourth Proportional to 28,763,210.16, 39,692,993.56 and 15,710,477.92

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Solution

The fourth proportional to 28,763,210.16, 39,692,993.56 and 15,710,477.92 is: 21,680,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,210.16 : 39,692,993.56 = 15,710,477.92 : x
  2. Step 2: Convert to fraction form
    28,763,210.16/39,692,993.56 = 15,710,477.92/x
  3. Step 3: Cross multiply
    28,763,210.16x = 39,692,993.56 × 15,710,477.92
  4. Step 4: Simplify right side
    28,763,210.16x = 623,595,898,764,573.50
  5. Step 5: Solve for x
    x = 623,595,898,764,573.50/28,763,210.16
  6. Step 6: Final answer
    x = 21,680,330.37

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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.