Home / 25,210,548.36-34,806,646.80-20,575,406.16

Finding the Fourth Proportional to 25,210,548.36, 34,806,646.80 and 20,575,406.16

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Solution

The fourth proportional to 25,210,548.36, 34,806,646.80 and 20,575,406.16 is: 28,407,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210,548.36 : 34,806,646.80 = 20,575,406.16 : x
  2. Step 2: Convert to fraction form
    25,210,548.36/34,806,646.80 = 20,575,406.16/x
  3. Step 3: Cross multiply
    25,210,548.36x = 34,806,646.80 × 20,575,406.16
  4. Step 4: Simplify right side
    25,210,548.36x = 716,160,894,977,664.25
  5. Step 5: Solve for x
    x = 716,160,894,977,664.25/25,210,548.36
  6. Step 6: Final answer
    x = 28,407,192.29

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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.