Home / 38,636,068.48-53,315,196.16-21,232,039.20

Finding the Fourth Proportional to 38,636,068.48, 53,315,196.16 and 21,232,039.20

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Solution

The fourth proportional to 38,636,068.48, 53,315,196.16 and 21,232,039.20 is: 29,298,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636,068.48 : 53,315,196.16 = 21,232,039.20 : x
  2. Step 2: Convert to fraction form
    38,636,068.48/53,315,196.16 = 21,232,039.20/x
  3. Step 3: Cross multiply
    38,636,068.48x = 53,315,196.16 × 21,232,039.20
  4. Step 4: Simplify right side
    38,636,068.48x = 1,131,990,334,824,809.25
  5. Step 5: Solve for x
    x = 1,131,990,334,824,809.25/38,636,068.48
  6. Step 6: Final answer
    x = 29,298,797.20

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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.