Home / 19,232,187.60-28,848,281.40-6,453,109.20

Finding the Fourth Proportional to 19,232,187.60, 28,848,281.40 and 6,453,109.20

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Solution

The fourth proportional to 19,232,187.60, 28,848,281.40 and 6,453,109.20 is: 9,679,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,187.60 : 28,848,281.40 = 6,453,109.20 : x
  2. Step 2: Convert to fraction form
    19,232,187.60/28,848,281.40 = 6,453,109.20/x
  3. Step 3: Cross multiply
    19,232,187.60x = 28,848,281.40 × 6,453,109.20
  4. Step 4: Simplify right side
    19,232,187.60x = 186,161,110,106,528.88
  5. Step 5: Solve for x
    x = 186,161,110,106,528.88/19,232,187.60
  6. Step 6: Final answer
    x = 9,679,663.80

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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.