Home / 28,335,431.90-42,506,185.27-7,865,238.26

Finding the Fourth Proportional to 28,335,431.90, 42,506,185.27 and 7,865,238.26

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Solution

The fourth proportional to 28,335,431.90, 42,506,185.27 and 7,865,238.26 is: 11,798,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335,431.90 : 42,506,185.27 = 7,865,238.26 : x
  2. Step 2: Convert to fraction form
    28,335,431.90/42,506,185.27 = 7,865,238.26/x
  3. Step 3: Cross multiply
    28,335,431.90x = 42,506,185.27 × 7,865,238.26
  4. Step 4: Simplify right side
    28,335,431.90x = 334,321,274,534,504.81
  5. Step 5: Solve for x
    x = 334,321,274,534,504.81/28,335,431.90
  6. Step 6: Final answer
    x = 11,798,700.50

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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.