Home / 15,553,101,938.82-21,460,971,795.49-9,446,276,621.22

Finding the Fourth Proportional to 15,553,101,938.82, 21,460,971,795.49 and 9,446,276,621.22

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Solution

The fourth proportional to 15,553,101,938.82, 21,460,971,795.49 and 9,446,276,621.22 is: 13,034,459,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,101,938.82 : 21,460,971,795.49 = 9,446,276,621.22 : x
  2. Step 2: Convert to fraction form
    15,553,101,938.82/21,460,971,795.49 = 9,446,276,621.22/x
  3. Step 3: Cross multiply
    15,553,101,938.82x = 21,460,971,795.49 × 9,446,276,621.22
  4. Step 4: Simplify right side
    15,553,101,938.82x = 202,726,276,140,399,001,600
  5. Step 5: Solve for x
    x = 202,726,276,140,399,001,600/15,553,101,938.82
  6. Step 6: Final answer
    x = 13,034,459,424.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.