Home / 12,630,779.76-17,430,488.40-6,829,559.88

Finding the Fourth Proportional to 12,630,779.76, 17,430,488.40 and 6,829,559.88

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Solution

The fourth proportional to 12,630,779.76, 17,430,488.40 and 6,829,559.88 is: 9,424,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,779.76 : 17,430,488.40 = 6,829,559.88 : x
  2. Step 2: Convert to fraction form
    12,630,779.76/17,430,488.40 = 6,829,559.88/x
  3. Step 3: Cross multiply
    12,630,779.76x = 17,430,488.40 × 6,829,559.88
  4. Step 4: Simplify right side
    12,630,779.76x = 119,042,564,265,445.38
  5. Step 5: Solve for x
    x = 119,042,564,265,445.38/12,630,779.76
  6. Step 6: Final answer
    x = 9,424,799.30

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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.