Home / 15,615,842.16-23,317,468.86-13,778,898.48

Finding the Fourth Proportional to 15,615,842.16, 23,317,468.86 and 13,778,898.48

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Solution

The fourth proportional to 15,615,842.16, 23,317,468.86 and 13,778,898.48 is: 20,574,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,842.16 : 23,317,468.86 = 13,778,898.48 : x
  2. Step 2: Convert to fraction form
    15,615,842.16/23,317,468.86 = 13,778,898.48/x
  3. Step 3: Cross multiply
    15,615,842.16x = 23,317,468.86 × 13,778,898.48
  4. Step 4: Simplify right side
    15,615,842.16x = 321,289,036,232,501.31
  5. Step 5: Solve for x
    x = 321,289,036,232,501.31/15,615,842.16
  6. Step 6: Final answer
    x = 20,574,557.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.