Home / 31,460,678.10-47,191,017.15-9,901,888.20

Finding the Fourth Proportional to 31,460,678.10, 47,191,017.15 and 9,901,888.20

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Solution

The fourth proportional to 31,460,678.10, 47,191,017.15 and 9,901,888.20 is: 14,852,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460,678.10 : 47,191,017.15 = 9,901,888.20 : x
  2. Step 2: Convert to fraction form
    31,460,678.10/47,191,017.15 = 9,901,888.20/x
  3. Step 3: Cross multiply
    31,460,678.10x = 47,191,017.15 × 9,901,888.20
  4. Step 4: Simplify right side
    31,460,678.10x = 467,280,175,863,582.56
  5. Step 5: Solve for x
    x = 467,280,175,863,582.56/31,460,678.10
  6. Step 6: Final answer
    x = 14,852,832.30

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Double scale
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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.