Home / 20,634,605.28-28,426,539.33-14,428,038.47

Finding the Fourth Proportional to 20,634,605.28, 28,426,539.33 and 14,428,038.47

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Solution

The fourth proportional to 20,634,605.28, 28,426,539.33 and 14,428,038.47 is: 19,876,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,605.28 : 28,426,539.33 = 14,428,038.47 : x
  2. Step 2: Convert to fraction form
    20,634,605.28/28,426,539.33 = 14,428,038.47/x
  3. Step 3: Cross multiply
    20,634,605.28x = 28,426,539.33 × 14,428,038.47
  4. Step 4: Simplify right side
    20,634,605.28x = 410,139,202,880,075.31
  5. Step 5: Solve for x
    x = 410,139,202,880,075.31/20,634,605.28
  6. Step 6: Final answer
    x = 19,876,280.52

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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.