Home / 28,798,842.64-39,742,406.58-15,746,110.60

Finding the Fourth Proportional to 28,798,842.64, 39,742,406.58 and 15,746,110.60

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Solution

The fourth proportional to 28,798,842.64, 39,742,406.58 and 15,746,110.60 is: 21,729,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798,842.64 : 39,742,406.58 = 15,746,110.60 : x
  2. Step 2: Convert to fraction form
    28,798,842.64/39,742,406.58 = 15,746,110.60/x
  3. Step 3: Cross multiply
    28,798,842.64x = 39,742,406.58 × 15,746,110.60
  4. Step 4: Simplify right side
    28,798,842.64x = 625,788,329,518,847.75
  5. Step 5: Solve for x
    x = 625,788,329,518,847.75/28,798,842.64
  6. Step 6: Final answer
    x = 21,729,634.67

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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.