Finding the Fourth Proportional to 6,742,207.80, 10,113,311.70 and 4,474,726.20
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Solution
The fourth proportional to 6,742,207.80, 10,113,311.70 and 4,474,726.20 is: 6,712,089.30
Step by Step Solution
- Step 1: Write the proportion equation
6,742,207.80 : 10,113,311.70 = 4,474,726.20 : x - Step 2: Convert to fraction form
6,742,207.80/10,113,311.70 = 4,474,726.20/x - Step 3: Cross multiply
6,742,207.80x = 10,113,311.70 × 4,474,726.20 - Step 4: Simplify right side
6,742,207.80x = 45,254,300,832,756.54 - Step 5: Solve for x
x = 45,254,300,832,756.54/6,742,207.80 - Step 6: Final answer
x = 6,712,089.30
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1.5x scale
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.