Home / 15,782,899.84-21,778,066.56-9,584,723.20

Finding the Fourth Proportional to 15,782,899.84, 21,778,066.56 and 9,584,723.20

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Solution

The fourth proportional to 15,782,899.84, 21,778,066.56 and 9,584,723.20 is: 13,225,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,899.84 : 21,778,066.56 = 9,584,723.20 : x
  2. Step 2: Convert to fraction form
    15,782,899.84/21,778,066.56 = 9,584,723.20/x
  3. Step 3: Cross multiply
    15,782,899.84x = 21,778,066.56 × 9,584,723.20
  4. Step 4: Simplify right side
    15,782,899.84x = 208,736,739,808,776.16
  5. Step 5: Solve for x
    x = 208,736,739,808,776.16/15,782,899.84
  6. Step 6: Final answer
    x = 13,225,499.87

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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.