Home / 30,843,574.02-42,583,485.42-19,849,430.25

Finding the Fourth Proportional to 30,843,574.02, 42,583,485.42 and 19,849,430.25

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Solution

The fourth proportional to 30,843,574.02, 42,583,485.42 and 19,849,430.25 is: 27,404,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843,574.02 : 42,583,485.42 = 19,849,430.25 : x
  2. Step 2: Convert to fraction form
    30,843,574.02/42,583,485.42 = 19,849,430.25/x
  3. Step 3: Cross multiply
    30,843,574.02x = 42,583,485.42 × 19,849,430.25
  4. Step 4: Simplify right side
    30,843,574.02x = 845,257,923,646,182
  5. Step 5: Solve for x
    x = 845,257,923,646,182/30,843,574.02
  6. Step 6: Final answer
    x = 27,404,668.57

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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.