Home / 34,681,157.28-47,859,980.39-20,742,512.14

Finding the Fourth Proportional to 34,681,157.28, 47,859,980.39 and 20,742,512.14

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Solution

The fourth proportional to 34,681,157.28, 47,859,980.39 and 20,742,512.14 is: 28,624,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681,157.28 : 47,859,980.39 = 20,742,512.14 : x
  2. Step 2: Convert to fraction form
    34,681,157.28/47,859,980.39 = 20,742,512.14/x
  3. Step 3: Cross multiply
    34,681,157.28x = 47,859,980.39 × 20,742,512.14
  4. Step 4: Simplify right side
    34,681,157.28x = 992,736,224,020,437.12
  5. Step 5: Solve for x
    x = 992,736,224,020,437.12/34,681,157.28
  6. Step 6: Final answer
    x = 28,624,656.79

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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.