Home / 6,910,985.20-10,366,477.80-3,316,140.40

Finding the Fourth Proportional to 6,910,985.20, 10,366,477.80 and 3,316,140.40

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Solution

The fourth proportional to 6,910,985.20, 10,366,477.80 and 3,316,140.40 is: 4,974,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910,985.20 : 10,366,477.80 = 3,316,140.40 : x
  2. Step 2: Convert to fraction form
    6,910,985.20/10,366,477.80 = 3,316,140.40/x
  3. Step 3: Cross multiply
    6,910,985.20x = 10,366,477.80 × 3,316,140.40
  4. Step 4: Simplify right side
    6,910,985.20x = 34,376,695,838,283.12
  5. Step 5: Solve for x
    x = 34,376,695,838,283.12/6,910,985.20
  6. Step 6: Final answer
    x = 4,974,210.60

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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.