Home / 28,426,704.60-42,643,044.18-9,258,955.32

Finding the Fourth Proportional to 28,426,704.60, 42,643,044.18 and 9,258,955.32

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Solution

The fourth proportional to 28,426,704.60, 42,643,044.18 and 9,258,955.32 is: 13,889,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,704.60 : 42,643,044.18 = 9,258,955.32 : x
  2. Step 2: Convert to fraction form
    28,426,704.60/42,643,044.18 = 9,258,955.32/x
  3. Step 3: Cross multiply
    28,426,704.60x = 42,643,044.18 × 9,258,955.32
  4. Step 4: Simplify right side
    28,426,704.60x = 394,830,040,771,406.06
  5. Step 5: Solve for x
    x = 394,830,040,771,406.06/28,426,704.60
  6. Step 6: Final answer
    x = 13,889,405.98

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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.