Home / 7,678,521.36-10,596,156.52-4,240,688.40

Finding the Fourth Proportional to 7,678,521.36, 10,596,156.52 and 4,240,688.40

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Solution

The fourth proportional to 7,678,521.36, 10,596,156.52 and 4,240,688.40 is: 5,852,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,521.36 : 10,596,156.52 = 4,240,688.40 : x
  2. Step 2: Convert to fraction form
    7,678,521.36/10,596,156.52 = 4,240,688.40/x
  3. Step 3: Cross multiply
    7,678,521.36x = 10,596,156.52 × 4,240,688.40
  4. Step 4: Simplify right side
    7,678,521.36x = 44,934,998,038,948.37
  5. Step 5: Solve for x
    x = 44,934,998,038,948.37/7,678,521.36
  6. Step 6: Final answer
    x = 5,852,037.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.