Home / 38,440,277.69-53,047,548.94-21,698,541.16

Finding the Fourth Proportional to 38,440,277.69, 53,047,548.94 and 21,698,541.16

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Solution

The fourth proportional to 38,440,277.69, 53,047,548.94 and 21,698,541.16 is: 29,943,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,277.69 : 53,047,548.94 = 21,698,541.16 : x
  2. Step 2: Convert to fraction form
    38,440,277.69/53,047,548.94 = 21,698,541.16/x
  3. Step 3: Cross multiply
    38,440,277.69x = 53,047,548.94 × 21,698,541.16
  4. Step 4: Simplify right side
    38,440,277.69x = 1,151,054,423,737,974
  5. Step 5: Solve for x
    x = 1,151,054,423,737,974/38,440,277.69
  6. Step 6: Final answer
    x = 29,943,967.45

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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.