Finding the Fourth Proportional to 35,478,415.70, 53,217,623.55 and 9,919,384.10
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Solution
The fourth proportional to 35,478,415.70, 53,217,623.55 and 9,919,384.10 is: 14,879,076.15
Step by Step Solution
- Step 1: Write the proportion equation
35,478,415.70 : 53,217,623.55 = 9,919,384.10 : x - Step 2: Convert to fraction form
35,478,415.70/53,217,623.55 = 9,919,384.10/x - Step 3: Cross multiply
35,478,415.70x = 53,217,623.55 × 9,919,384.10 - Step 4: Simplify right side
35,478,415.70x = 527,886,048,881,655.50 - Step 5: Solve for x
x = 527,886,048,881,655.50/35,478,415.70 - Step 6: Final answer
x = 14,879,076.15
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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.