Home / 7,020,642.24-10,528,876.64-2,977,070.40

Finding the Fourth Proportional to 7,020,642.24, 10,528,876.64 and 2,977,070.40

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Solution

The fourth proportional to 7,020,642.24, 10,528,876.64 and 2,977,070.40 is: 4,464,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,642.24 : 10,528,876.64 = 2,977,070.40 : x
  2. Step 2: Convert to fraction form
    7,020,642.24/10,528,876.64 = 2,977,070.40/x
  3. Step 3: Cross multiply
    7,020,642.24x = 10,528,876.64 × 2,977,070.40
  4. Step 4: Simplify right side
    7,020,642.24x = 31,345,206,990,195.46
  5. Step 5: Solve for x
    x = 31,345,206,990,195.46/7,020,642.24
  6. Step 6: Final answer
    x = 4,464,720.74

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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.