Home / 21,137,092,790-29,169,303,343.16-12,446,927,042.72

Finding the Fourth Proportional to 21,137,092,790, 29,169,303,343.16 and 12,446,927,042.72

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Solution

The fourth proportional to 21,137,092,790, 29,169,303,343.16 and 12,446,927,042.72 is: 17,176,827,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137,092,790 : 29,169,303,343.16 = 12,446,927,042.72 : x
  2. Step 2: Convert to fraction form
    21,137,092,790/29,169,303,343.16 = 12,446,927,042.72/x
  3. Step 3: Cross multiply
    21,137,092,790x = 29,169,303,343.16 × 12,446,927,042.72
  4. Step 4: Simplify right side
    21,137,092,790x = 363,068,190,599,281,115,136
  5. Step 5: Solve for x
    x = 363,068,190,599,281,115,136/21,137,092,790
  6. Step 6: Final answer
    x = 17,176,827,211.12

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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.