Home / 28,159,442.92-38,860,036.50-15,282,386.92

Finding the Fourth Proportional to 28,159,442.92, 38,860,036.50 and 15,282,386.92

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Solution

The fourth proportional to 28,159,442.92, 38,860,036.50 and 15,282,386.92 is: 21,089,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159,442.92 : 38,860,036.50 = 15,282,386.92 : x
  2. Step 2: Convert to fraction form
    28,159,442.92/38,860,036.50 = 15,282,386.92/x
  3. Step 3: Cross multiply
    28,159,442.92x = 38,860,036.50 × 15,282,386.92
  4. Step 4: Simplify right side
    28,159,442.92x = 593,874,113,518,322.62
  5. Step 5: Solve for x
    x = 593,874,113,518,322.62/28,159,442.92
  6. Step 6: Final answer
    x = 21,089,696.81

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1.5x scale

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.