Home / 28,064,410.35-42,089,308.21-11,882,031.90

Finding the Fourth Proportional to 28,064,410.35, 42,089,308.21 and 11,882,031.90

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Solution

The fourth proportional to 28,064,410.35, 42,089,308.21 and 11,882,031.90 is: 17,819,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064,410.35 : 42,089,308.21 = 11,882,031.90 : x
  2. Step 2: Convert to fraction form
    28,064,410.35/42,089,308.21 = 11,882,031.90/x
  3. Step 3: Cross multiply
    28,064,410.35x = 42,089,308.21 × 11,882,031.90
  4. Step 4: Simplify right side
    28,064,410.35x = 500,106,502,927,358
  5. Step 5: Solve for x
    x = 500,106,502,927,358/28,064,410.35
  6. Step 6: Final answer
    x = 17,819,954.05

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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.