Home / 13,458,975.52-18,573,368.40-8,630,068

Finding the Fourth Proportional to 13,458,975.52, 18,573,368.40 and 8,630,068

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Solution

The fourth proportional to 13,458,975.52, 18,573,368.40 and 8,630,068 is: 11,909,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,975.52 : 18,573,368.40 = 8,630,068 : x
  2. Step 2: Convert to fraction form
    13,458,975.52/18,573,368.40 = 8,630,068/x
  3. Step 3: Cross multiply
    13,458,975.52x = 18,573,368.40 × 8,630,068
  4. Step 4: Simplify right side
    13,458,975.52x = 160,289,432,281,051.19
  5. Step 5: Solve for x
    x = 160,289,432,281,051.19/13,458,975.52
  6. Step 6: Final answer
    x = 11,909,482.42

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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.