Finding the Fourth Proportional to 13,191,830.70, 19,787,746.05 and 10,924,349.10
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Solution
The fourth proportional to 13,191,830.70, 19,787,746.05 and 10,924,349.10 is: 16,386,523.65
Step by Step Solution
- Step 1: Write the proportion equation
13,191,830.70 : 19,787,746.05 = 10,924,349.10 : x - Step 2: Convert to fraction form
13,191,830.70/19,787,746.05 = 10,924,349.10/x - Step 3: Cross multiply
13,191,830.70x = 19,787,746.05 × 10,924,349.10 - Step 4: Simplify right side
13,191,830.70x = 216,168,245,752,346.06 - Step 5: Solve for x
x = 216,168,245,752,346.06/13,191,830.70 - Step 6: Final answer
x = 16,386,523.65
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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.