Home / 38,828,054.70-53,582,674.91-21,424,398.95

Finding the Fourth Proportional to 38,828,054.70, 53,582,674.91 and 21,424,398.95

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Solution

The fourth proportional to 38,828,054.70, 53,582,674.91 and 21,424,398.95 is: 29,565,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828,054.70 : 53,582,674.91 = 21,424,398.95 : x
  2. Step 2: Convert to fraction form
    38,828,054.70/53,582,674.91 = 21,424,398.95/x
  3. Step 3: Cross multiply
    38,828,054.70x = 53,582,674.91 × 21,424,398.95
  4. Step 4: Simplify right side
    38,828,054.70x = 1,147,976,604,106,830
  5. Step 5: Solve for x
    x = 1,147,976,604,106,830/38,828,054.70
  6. Step 6: Final answer
    x = 29,565,648.16

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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.