Home / 43,181,736.80-64,779,862.80-12,892,661.60

Finding the Fourth Proportional to 43,181,736.80, 64,779,862.80 and 12,892,661.60

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Solution

The fourth proportional to 43,181,736.80, 64,779,862.80 and 12,892,661.60 is: 19,341,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181,736.80 : 64,779,862.80 = 12,892,661.60 : x
  2. Step 2: Convert to fraction form
    43,181,736.80/64,779,862.80 = 12,892,661.60/x
  3. Step 3: Cross multiply
    43,181,736.80x = 64,779,862.80 × 12,892,661.60
  4. Step 4: Simplify right side
    43,181,736.80x = 835,184,849,574,828.38
  5. Step 5: Solve for x
    x = 835,184,849,574,828.38/43,181,736.80
  6. Step 6: Final answer
    x = 19,341,159.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.