Home / 12,877,768.40-19,319,244.60-3,779,848.40

Finding the Fourth Proportional to 12,877,768.40, 19,319,244.60 and 3,779,848.40

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Solution

The fourth proportional to 12,877,768.40, 19,319,244.60 and 3,779,848.40 is: 5,670,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,768.40 : 19,319,244.60 = 3,779,848.40 : x
  2. Step 2: Convert to fraction form
    12,877,768.40/19,319,244.60 = 3,779,848.40/x
  3. Step 3: Cross multiply
    12,877,768.40x = 19,319,244.60 × 3,779,848.40
  4. Step 4: Simplify right side
    12,877,768.40x = 73,023,815,790,518.64
  5. Step 5: Solve for x
    x = 73,023,815,790,518.64/12,877,768.40
  6. Step 6: Final answer
    x = 5,670,533.40

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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.