Home / 28,142,967.20-42,214,450.80-14,678,045.60

Finding the Fourth Proportional to 28,142,967.20, 42,214,450.80 and 14,678,045.60

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Solution

The fourth proportional to 28,142,967.20, 42,214,450.80 and 14,678,045.60 is: 22,017,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142,967.20 : 42,214,450.80 = 14,678,045.60 : x
  2. Step 2: Convert to fraction form
    28,142,967.20/42,214,450.80 = 14,678,045.60/x
  3. Step 3: Cross multiply
    28,142,967.20x = 42,214,450.80 × 14,678,045.60
  4. Step 4: Simplify right side
    28,142,967.20x = 619,625,633,821,356.38
  5. Step 5: Solve for x
    x = 619,625,633,821,356.38/28,142,967.20
  6. Step 6: Final answer
    x = 22,017,068.40

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1.5x scale

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.