Finding the Fourth Proportional to 21,356,585.20, 32,031,767.40 and 6,208,937.20
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Solution
The fourth proportional to 21,356,585.20, 32,031,767.40 and 6,208,937.20 is: 9,312,501.52
Step by Step Solution
- Step 1: Write the proportion equation
21,356,585.20 : 32,031,767.40 = 6,208,937.20 : x - Step 2: Convert to fraction form
21,356,585.20/32,031,767.40 = 6,208,937.20/x - Step 3: Cross multiply
21,356,585.20x = 32,031,767.40 × 6,208,937.20 - Step 4: Simplify right side
21,356,585.20x = 198,883,232,191,607.28 - Step 5: Solve for x
x = 198,883,232,191,607.28/21,356,585.20 - Step 6: Final answer
x = 9,312,501.52
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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.