Home / 39,033,457-53,866,487.10-21,630,092.84

Finding the Fourth Proportional to 39,033,457, 53,866,487.10 and 21,630,092.84

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Solution

The fourth proportional to 39,033,457, 53,866,487.10 and 21,630,092.84 is: 29,849,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,457 : 53,866,487.10 = 21,630,092.84 : x
  2. Step 2: Convert to fraction form
    39,033,457/53,866,487.10 = 21,630,092.84/x
  3. Step 3: Cross multiply
    39,033,457x = 53,866,487.10 × 21,630,092.84
  4. Step 4: Simplify right side
    39,033,457x = 1,165,137,116,937,662.50
  5. Step 5: Solve for x
    x = 1,165,137,116,937,662.50/39,033,457
  6. Step 6: Final answer
    x = 29,849,703.47

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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.