Home / 42,009,858.70-63,014,788.05-10,097,154.70

Finding the Fourth Proportional to 42,009,858.70, 63,014,788.05 and 10,097,154.70

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Solution

The fourth proportional to 42,009,858.70, 63,014,788.05 and 10,097,154.70 is: 15,145,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,858.70 : 63,014,788.05 = 10,097,154.70 : x
  2. Step 2: Convert to fraction form
    42,009,858.70/63,014,788.05 = 10,097,154.70/x
  3. Step 3: Cross multiply
    42,009,858.70x = 63,014,788.05 × 10,097,154.70
  4. Step 4: Simplify right side
    42,009,858.70x = 636,270,063,328,561.25
  5. Step 5: Solve for x
    x = 636,270,063,328,561.25/42,009,858.70
  6. Step 6: Final answer
    x = 15,145,732.05

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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.