Home / 28,180,681.32-42,257,698.74-10,916,967.72

Finding the Fourth Proportional to 28,180,681.32, 42,257,698.74 and 10,916,967.72

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Solution

The fourth proportional to 28,180,681.32, 42,257,698.74 and 10,916,967.72 is: 16,370,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,681.32 : 42,257,698.74 = 10,916,967.72 : x
  2. Step 2: Convert to fraction form
    28,180,681.32/42,257,698.74 = 10,916,967.72/x
  3. Step 3: Cross multiply
    28,180,681.32x = 42,257,698.74 × 10,916,967.72
  4. Step 4: Simplify right side
    28,180,681.32x = 461,325,933,066,064.75
  5. Step 5: Solve for x
    x = 461,325,933,066,064.75/28,180,681.32
  6. Step 6: Final answer
    x = 16,370,290.26

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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.