Home / 10,403,025.40-15,574,125.30-7,417,041.40

Finding the Fourth Proportional to 10,403,025.40, 15,574,125.30 and 7,417,041.40

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Solution

The fourth proportional to 10,403,025.40, 15,574,125.30 and 7,417,041.40 is: 11,103,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,025.40 : 15,574,125.30 = 7,417,041.40 : x
  2. Step 2: Convert to fraction form
    10,403,025.40/15,574,125.30 = 7,417,041.40/x
  3. Step 3: Cross multiply
    10,403,025.40x = 15,574,125.30 × 7,417,041.40
  4. Step 4: Simplify right side
    10,403,025.40x = 115,513,932,118,887.44
  5. Step 5: Solve for x
    x = 115,513,932,118,887.44/10,403,025.40
  6. Step 6: Final answer
    x = 11,103,878.70

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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.