Home / 30,402,051.20-45,636,254.40-16,965,123.20

Finding the Fourth Proportional to 30,402,051.20, 45,636,254.40 and 16,965,123.20

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Solution

The fourth proportional to 30,402,051.20, 45,636,254.40 and 16,965,123.20 is: 25,466,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,051.20 : 45,636,254.40 = 16,965,123.20 : x
  2. Step 2: Convert to fraction form
    30,402,051.20/45,636,254.40 = 16,965,123.20/x
  3. Step 3: Cross multiply
    30,402,051.20x = 45,636,254.40 × 16,965,123.20
  4. Step 4: Simplify right side
    30,402,051.20x = 774,224,678,282,542
  5. Step 5: Solve for x
    x = 774,224,678,282,542/30,402,051.20
  6. Step 6: Final answer
    x = 25,466,198.75

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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.