Finding the Fourth Proportional to 26,811,125.60, 36,998,263.86 and 15,208,439.97
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Solution
The fourth proportional to 26,811,125.60, 36,998,263.86 and 15,208,439.97 is: 20,987,029.17
Step by Step Solution
- Step 1: Write the proportion equation
26,811,125.60 : 36,998,263.86 = 15,208,439.97 : x - Step 2: Convert to fraction form
26,811,125.60/36,998,263.86 = 15,208,439.97/x - Step 3: Cross multiply
26,811,125.60x = 36,998,263.86 × 15,208,439.97 - Step 4: Simplify right side
26,811,125.60x = 562,685,874,909,030.50 - Step 5: Solve for x
x = 562,685,874,909,030.50/26,811,125.60 - Step 6: Final answer
x = 20,987,029.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.