Home / 19,937,461.08-27,518,815.11-12,985,461.93

Finding the Fourth Proportional to 19,937,461.08, 27,518,815.11 and 12,985,461.93

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Solution

The fourth proportional to 19,937,461.08, 27,518,815.11 and 12,985,461.93 is: 17,923,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,461.08 : 27,518,815.11 = 12,985,461.93 : x
  2. Step 2: Convert to fraction form
    19,937,461.08/27,518,815.11 = 12,985,461.93/x
  3. Step 3: Cross multiply
    19,937,461.08x = 27,518,815.11 × 12,985,461.93
  4. Step 4: Simplify right side
    19,937,461.08x = 357,344,525,969,613.75
  5. Step 5: Solve for x
    x = 357,344,525,969,613.75/19,937,461.08
  6. Step 6: Final answer
    x = 17,923,271.40

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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.