Home / 30,624,574.40-42,261,380.52-16,686,044.04

Finding the Fourth Proportional to 30,624,574.40, 42,261,380.52 and 16,686,044.04

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Solution

The fourth proportional to 30,624,574.40, 42,261,380.52 and 16,686,044.04 is: 23,026,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624,574.40 : 42,261,380.52 = 16,686,044.04 : x
  2. Step 2: Convert to fraction form
    30,624,574.40/42,261,380.52 = 16,686,044.04/x
  3. Step 3: Cross multiply
    30,624,574.40x = 42,261,380.52 × 16,686,044.04
  4. Step 4: Simplify right side
    30,624,574.40x = 705,175,256,547,918.12
  5. Step 5: Solve for x
    x = 705,175,256,547,918.12/30,624,574.40
  6. Step 6: Final answer
    x = 23,026,450.83

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1.5x scale

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.