Home / 39,033,454-53,866,482.97-21,630,089.86

Finding the Fourth Proportional to 39,033,454, 53,866,482.97 and 21,630,089.86

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Solution

The fourth proportional to 39,033,454, 53,866,482.97 and 21,630,089.86 is: 29,849,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,454 : 53,866,482.97 = 21,630,089.86 : x
  2. Step 2: Convert to fraction form
    39,033,454/53,866,482.97 = 21,630,089.86/x
  3. Step 3: Cross multiply
    39,033,454x = 53,866,482.97 × 21,630,089.86
  4. Step 4: Simplify right side
    39,033,454x = 1,165,136,867,083,259.75
  5. Step 5: Solve for x
    x = 1,165,136,867,083,259.75/39,033,454
  6. Step 6: Final answer
    x = 29,849,699.37

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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.