Home / 12,860,001.60-19,282,994.40-3,883,387.20

Finding the Fourth Proportional to 12,860,001.60, 19,282,994.40 and 3,883,387.20

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Solution

The fourth proportional to 12,860,001.60, 19,282,994.40 and 3,883,387.20 is: 5,822,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,001.60 : 19,282,994.40 = 3,883,387.20 : x
  2. Step 2: Convert to fraction form
    12,860,001.60/19,282,994.40 = 3,883,387.20/x
  3. Step 3: Cross multiply
    12,860,001.60x = 19,282,994.40 × 3,883,387.20
  4. Step 4: Simplify right side
    12,860,001.60x = 74,883,333,630,631.67
  5. Step 5: Solve for x
    x = 74,883,333,630,631.67/12,860,001.60
  6. Step 6: Final answer
    x = 5,822,964.57

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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.