Home / 28,896,830.70-43,345,246.05-19,316,798.70

Finding the Fourth Proportional to 28,896,830.70, 43,345,246.05 and 19,316,798.70

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Solution

The fourth proportional to 28,896,830.70, 43,345,246.05 and 19,316,798.70 is: 28,975,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,830.70 : 43,345,246.05 = 19,316,798.70 : x
  2. Step 2: Convert to fraction form
    28,896,830.70/43,345,246.05 = 19,316,798.70/x
  3. Step 3: Cross multiply
    28,896,830.70x = 43,345,246.05 × 19,316,798.70
  4. Step 4: Simplify right side
    28,896,830.70x = 837,291,392,549,820
  5. Step 5: Solve for x
    x = 837,291,392,549,820/28,896,830.70
  6. Step 6: Final answer
    x = 28,975,198.05

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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.