Home / 21,260,853,828.90-31,883,895,484.92-11,831,886,676.62

Finding the Fourth Proportional to 21,260,853,828.90, 31,883,895,484.92 and 11,831,886,676.62

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Solution

The fourth proportional to 21,260,853,828.90, 31,883,895,484.92 and 11,831,886,676.62 is: 17,743,720,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,853,828.90 : 31,883,895,484.92 = 11,831,886,676.62 : x
  2. Step 2: Convert to fraction form
    21,260,853,828.90/31,883,895,484.92 = 11,831,886,676.62/x
  3. Step 3: Cross multiply
    21,260,853,828.90x = 31,883,895,484.92 × 11,831,886,676.62
  4. Step 4: Simplify right side
    21,260,853,828.90x = 377,246,638,186,769,547,264
  5. Step 5: Solve for x
    x = 377,246,638,186,769,547,264/21,260,853,828.90
  6. Step 6: Final answer
    x = 17,743,720,041.67

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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.