Home / 28,606,130.40-42,925,784.40-10,657,048.80

Finding the Fourth Proportional to 28,606,130.40, 42,925,784.40 and 10,657,048.80

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Solution

The fourth proportional to 28,606,130.40, 42,925,784.40 and 10,657,048.80 is: 15,991,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,130.40 : 42,925,784.40 = 10,657,048.80 : x
  2. Step 2: Convert to fraction form
    28,606,130.40/42,925,784.40 = 10,657,048.80/x
  3. Step 3: Cross multiply
    28,606,130.40x = 42,925,784.40 × 10,657,048.80
  4. Step 4: Simplify right side
    28,606,130.40x = 457,462,179,129,078.75
  5. Step 5: Solve for x
    x = 457,462,179,129,078.75/28,606,130.40
  6. Step 6: Final answer
    x = 15,991,753.26

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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.