Home / 18,832,678.98-28,249,280.90-5,369,506.98

Finding the Fourth Proportional to 18,832,678.98, 28,249,280.90 and 5,369,506.98

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Solution

The fourth proportional to 18,832,678.98, 28,249,280.90 and 5,369,506.98 is: 8,054,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,678.98 : 28,249,280.90 = 5,369,506.98 : x
  2. Step 2: Convert to fraction form
    18,832,678.98/28,249,280.90 = 5,369,506.98/x
  3. Step 3: Cross multiply
    18,832,678.98x = 28,249,280.90 × 5,369,506.98
  4. Step 4: Simplify right side
    18,832,678.98x = 151,684,710,972,530.69
  5. Step 5: Solve for x
    x = 151,684,710,972,530.69/18,832,678.98
  6. Step 6: Final answer
    x = 8,054,335.29

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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.