Finding the Fourth Proportional to 26,368,134.06, 39,520,314.55 and 13,581,663.60
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Solution
The fourth proportional to 26,368,134.06, 39,520,314.55 and 13,581,663.60 is: 20,356,071.32
Step by Step Solution
- Step 1: Write the proportion equation
26,368,134.06 : 39,520,314.55 = 13,581,663.60 : x - Step 2: Convert to fraction form
26,368,134.06/39,520,314.55 = 13,581,663.60/x - Step 3: Cross multiply
26,368,134.06x = 39,520,314.55 × 13,581,663.60 - Step 4: Simplify right side
26,368,134.06x = 536,751,617,584,285.31 - Step 5: Solve for x
x = 536,751,617,584,285.31/26,368,134.06 - Step 6: Final answer
x = 20,356,071.32
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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.