Home / 38,462,307.18-53,077,986.63-21,058,653.66

Finding the Fourth Proportional to 38,462,307.18, 53,077,986.63 and 21,058,653.66

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Solution

The fourth proportional to 38,462,307.18, 53,077,986.63 and 21,058,653.66 is: 29,060,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462,307.18 : 53,077,986.63 = 21,058,653.66 : x
  2. Step 2: Convert to fraction form
    38,462,307.18/53,077,986.63 = 21,058,653.66/x
  3. Step 3: Cross multiply
    38,462,307.18x = 53,077,986.63 × 21,058,653.66
  4. Step 4: Simplify right side
    38,462,307.18x = 1,117,750,937,411,280.62
  5. Step 5: Solve for x
    x = 1,117,750,937,411,280.62/38,462,307.18
  6. Step 6: Final answer
    x = 29,060,943.54

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Double scale
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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.