Home / 9,343,153.63-12,893,587.65-5,213,358.83

Finding the Fourth Proportional to 9,343,153.63, 12,893,587.65 and 5,213,358.83

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Solution

The fourth proportional to 9,343,153.63, 12,893,587.65 and 5,213,358.83 is: 7,194,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343,153.63 : 12,893,587.65 = 5,213,358.83 : x
  2. Step 2: Convert to fraction form
    9,343,153.63/12,893,587.65 = 5,213,358.83/x
  3. Step 3: Cross multiply
    9,343,153.63x = 12,893,587.65 × 5,213,358.83
  4. Step 4: Simplify right side
    9,343,153.63x = 67,218,898,961,038.52
  5. Step 5: Solve for x
    x = 67,218,898,961,038.52/9,343,153.63
  6. Step 6: Final answer
    x = 7,194,455.07

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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.