Finding the Fourth Proportional to 9,779,421.60, 14,669,132.40 and 6,165,622.80
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Solution
The fourth proportional to 9,779,421.60, 14,669,132.40 and 6,165,622.80 is: 9,248,434.20
Step by Step Solution
- Step 1: Write the proportion equation
9,779,421.60 : 14,669,132.40 = 6,165,622.80 : x - Step 2: Convert to fraction form
9,779,421.60/14,669,132.40 = 6,165,622.80/x - Step 3: Cross multiply
9,779,421.60x = 14,669,132.40 × 6,165,622.80 - Step 4: Simplify right side
9,779,421.60x = 90,444,337,181,658.72 - Step 5: Solve for x
x = 90,444,337,181,658.72/9,779,421.60 - Step 6: Final answer
x = 9,248,434.20
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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.