Home / 42,607,300.40-63,900,582.60-12,312,004.40

Finding the Fourth Proportional to 42,607,300.40, 63,900,582.60 and 12,312,004.40

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Solution

The fourth proportional to 42,607,300.40, 63,900,582.60 and 12,312,004.40 is: 18,465,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607,300.40 : 63,900,582.60 = 12,312,004.40 : x
  2. Step 2: Convert to fraction form
    42,607,300.40/63,900,582.60 = 12,312,004.40/x
  3. Step 3: Cross multiply
    42,607,300.40x = 63,900,582.60 × 12,312,004.40
  4. Step 4: Simplify right side
    42,607,300.40x = 786,744,254,133,763.50
  5. Step 5: Solve for x
    x = 786,744,254,133,763.50/42,607,300.40
  6. Step 6: Final answer
    x = 18,465,010.61

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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.