Home / 28,615,904.85-42,938,054.56-11,343,740.66

Finding the Fourth Proportional to 28,615,904.85, 42,938,054.56 and 11,343,740.66

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Solution

The fourth proportional to 28,615,904.85, 42,938,054.56 and 11,343,740.66 is: 17,021,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,904.85 : 42,938,054.56 = 11,343,740.66 : x
  2. Step 2: Convert to fraction form
    28,615,904.85/42,938,054.56 = 11,343,740.66/x
  3. Step 3: Cross multiply
    28,615,904.85x = 42,938,054.56 × 11,343,740.66
  4. Step 4: Simplify right side
    28,615,904.85x = 487,078,155,334,077.50
  5. Step 5: Solve for x
    x = 487,078,155,334,077.50/28,615,904.85
  6. Step 6: Final answer
    x = 17,021,238.99

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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.