Home / 38,896,409.16-53,677,026.90-21,492,602.13

Finding the Fourth Proportional to 38,896,409.16, 53,677,026.90 and 21,492,602.13

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Solution

The fourth proportional to 38,896,409.16, 53,677,026.90 and 21,492,602.13 is: 29,659,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896,409.16 : 53,677,026.90 = 21,492,602.13 : x
  2. Step 2: Convert to fraction form
    38,896,409.16/53,677,026.90 = 21,492,602.13/x
  3. Step 3: Cross multiply
    38,896,409.16x = 53,677,026.90 × 21,492,602.13
  4. Step 4: Simplify right side
    38,896,409.16x = 1,153,658,982,683,007.25
  5. Step 5: Solve for x
    x = 1,153,658,982,683,007.25/38,896,409.16
  6. Step 6: Final answer
    x = 29,659,781.14

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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.