Home / 28,109,110.19-38,788,962.55-15,549,415.52

Finding the Fourth Proportional to 28,109,110.19, 38,788,962.55 and 15,549,415.52

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Solution

The fourth proportional to 28,109,110.19, 38,788,962.55 and 15,549,415.52 is: 21,457,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109,110.19 : 38,788,962.55 = 15,549,415.52 : x
  2. Step 2: Convert to fraction form
    28,109,110.19/38,788,962.55 = 15,549,415.52/x
  3. Step 3: Cross multiply
    28,109,110.19x = 38,788,962.55 × 15,549,415.52
  4. Step 4: Simplify right side
    28,109,110.19x = 603,145,696,046,850.50
  5. Step 5: Solve for x
    x = 603,145,696,046,850.50/28,109,110.19
  6. Step 6: Final answer
    x = 21,457,303.06

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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.