Home / 18,784,746.40-28,139,794.80-10,249,808.80

Finding the Fourth Proportional to 18,784,746.40, 28,139,794.80 and 10,249,808.80

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Solution

The fourth proportional to 18,784,746.40, 28,139,794.80 and 10,249,808.80 is: 15,354,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,746.40 : 28,139,794.80 = 10,249,808.80 : x
  2. Step 2: Convert to fraction form
    18,784,746.40/28,139,794.80 = 10,249,808.80/x
  3. Step 3: Cross multiply
    18,784,746.40x = 28,139,794.80 × 10,249,808.80
  4. Step 4: Simplify right side
    18,784,746.40x = 288,427,516,371,234.25
  5. Step 5: Solve for x
    x = 288,427,516,371,234.25/18,784,746.40
  6. Step 6: Final answer
    x = 15,354,347.10

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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.