Home / 42,119,889.90-63,186,623.85-12,973,715.34

Finding the Fourth Proportional to 42,119,889.90, 63,186,623.85 and 12,973,715.34

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Solution

The fourth proportional to 42,119,889.90, 63,186,623.85 and 12,973,715.34 is: 19,462,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119,889.90 : 63,186,623.85 = 12,973,715.34 : x
  2. Step 2: Convert to fraction form
    42,119,889.90/63,186,623.85 = 12,973,715.34/x
  3. Step 3: Cross multiply
    42,119,889.90x = 63,186,623.85 × 12,973,715.34
  4. Step 4: Simplify right side
    42,119,889.90x = 819,765,271,125,554.88
  5. Step 5: Solve for x
    x = 819,765,271,125,554.88/42,119,889.90
  6. Step 6: Final answer
    x = 19,462,664.15

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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.