Home / 4,985,139.60-7,477,709.40-4,953,646.80

Finding the Fourth Proportional to 4,985,139.60, 7,477,709.40 and 4,953,646.80

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Solution

The fourth proportional to 4,985,139.60, 7,477,709.40 and 4,953,646.80 is: 7,430,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,139.60 : 7,477,709.40 = 4,953,646.80 : x
  2. Step 2: Convert to fraction form
    4,985,139.60/7,477,709.40 = 4,953,646.80/x
  3. Step 3: Cross multiply
    4,985,139.60x = 7,477,709.40 × 4,953,646.80
  4. Step 4: Simplify right side
    4,985,139.60x = 37,041,931,240,639.92
  5. Step 5: Solve for x
    x = 37,041,931,240,639.92/4,985,139.60
  6. Step 6: Final answer
    x = 7,430,470.20

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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.