Home / 28,042,880.80-42,060,384.60-8,875,575.40

Finding the Fourth Proportional to 28,042,880.80, 42,060,384.60 and 8,875,575.40

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Solution

The fourth proportional to 28,042,880.80, 42,060,384.60 and 8,875,575.40 is: 13,312,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042,880.80 : 42,060,384.60 = 8,875,575.40 : x
  2. Step 2: Convert to fraction form
    28,042,880.80/42,060,384.60 = 8,875,575.40/x
  3. Step 3: Cross multiply
    28,042,880.80x = 42,060,384.60 × 8,875,575.40
  4. Step 4: Simplify right side
    28,042,880.80x = 373,310,114,870,298.88
  5. Step 5: Solve for x
    x = 373,310,114,870,298.88/28,042,880.80
  6. Step 6: Final answer
    x = 13,312,117.17

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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.