Home / 15,118,762.40-22,678,143.60-13,355,165.60

Finding the Fourth Proportional to 15,118,762.40, 22,678,143.60 and 13,355,165.60

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Solution

The fourth proportional to 15,118,762.40, 22,678,143.60 and 13,355,165.60 is: 20,032,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,762.40 : 22,678,143.60 = 13,355,165.60 : x
  2. Step 2: Convert to fraction form
    15,118,762.40/22,678,143.60 = 13,355,165.60/x
  3. Step 3: Cross multiply
    15,118,762.40x = 22,678,143.60 × 13,355,165.60
  4. Step 4: Simplify right side
    15,118,762.40x = 302,870,363,278,580.19
  5. Step 5: Solve for x
    x = 302,870,363,278,580.19/15,118,762.40
  6. Step 6: Final answer
    x = 20,032,748.40

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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.