Home / 38,988,509.00-53,804,155.12-21,348,529.40

Finding the Fourth Proportional to 38,988,509.00, 53,804,155.12 and 21,348,529.40

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Solution

The fourth proportional to 38,988,509.00, 53,804,155.12 and 21,348,529.40 is: 29,460,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,509.00 : 53,804,155.12 = 21,348,529.40 : x
  2. Step 2: Convert to fraction form
    38,988,509.00/53,804,155.12 = 21,348,529.40/x
  3. Step 3: Cross multiply
    38,988,509.00x = 53,804,155.12 × 21,348,529.40
  4. Step 4: Simplify right side
    38,988,509.00x = 1,148,639,587,502,619.50
  5. Step 5: Solve for x
    x = 1,148,639,587,502,619.50/38,988,509.00
  6. Step 6: Final answer
    x = 29,460,977.53

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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.